diff --git a/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetParameterWrapper.cs b/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetParameterWrapper.cs
index 17b7785..9f957fd 100644
--- a/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetParameterWrapper.cs
@@ -81,7 +81,16 @@ public RDMMessage BuildGetResponseMessage(GetResponse getResponseValue)
             return this.buildGetResponseMessage(getResponseValue);
         }
 
-        public abstract RequestRange<GetRequest> GetRequestRange(object value);
+        public abstract IRequestRange GetRequestRange(object value);
+        IRequestRange IRDMGetParameterWrapperRequest.GetRequestRange(object value)
+        {
+            return this.GetRequestRange(value);
+        }
+
+        IRequestRange<GetRequest> IRDMGetParameterWrapperRequest<GetRequest>.GetRequestRange(object value)
+        {
+            return (IRequestRange<GetRequest>)this.GetRequestRange(value);
+        }
         #endregion
     }
 }
diff --git a/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetSetParameterWrapper.cs b/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetSetParameterWrapper.cs
index 5a58101..085c058 100644
--- a/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetSetParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetSetParameterWrapper.cs
@@ -96,7 +96,15 @@ public RDMMessage BuildSetResponseMessage(SetResponse setResponseValue)
             return this.buildSetResponseMessage(setResponseValue);
         }
         #endregion
+        public abstract IRequestRange GetRequestRange(object value);
+        IRequestRange IRDMGetParameterWrapperRequest.GetRequestRange(object value)
+        {
+            return this.GetRequestRange(value);
+        }
 
-        public abstract RequestRange<GetRequest> GetRequestRange(object value);
+        IRequestRange<GetRequest> IRDMGetParameterWrapperRequest<GetRequest>.GetRequestRange(object value)
+        {
+            return (IRequestRange<GetRequest>)this.GetRequestRange(value);
+        }
     }
 }
diff --git a/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetSetParameterWrapperEmptySetResponse.cs b/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetSetParameterWrapperEmptySetResponse.cs
index 71b0a62..f408662 100644
--- a/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetSetParameterWrapperEmptySetResponse.cs
+++ b/RDMSharp/ParameterWrapper/Abstract/AbstractRDMGetSetParameterWrapperEmptySetResponse.cs
@@ -95,7 +95,16 @@ public RDMMessage BuildGetResponseMessage(GetResponse getResponseValue)
             return this.buildGetResponseMessage(getResponseValue);
         }
 
-        public abstract RequestRange<GetRequest> GetRequestRange(object value);
+        public abstract IRequestRange GetRequestRange(object value);
+        IRequestRange IRDMGetParameterWrapperRequest.GetRequestRange(object value)
+        {
+            return this.GetRequestRange(value);
+        }
+
+        IRequestRange<GetRequest> IRDMGetParameterWrapperRequest<GetRequest>.GetRequestRange(object value)
+        {
+            return (IRequestRange<GetRequest>)this.GetRequestRange(value);
+        }
         #endregion
     }
 }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.20/DMX512PersonalityDescriptionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.20/DMX512PersonalityDescriptionParameterWrapper.cs
index 429cff3..7081da4 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.20/DMX512PersonalityDescriptionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.20/DMX512PersonalityDescriptionParameterWrapper.cs
@@ -34,7 +34,7 @@ protected override byte[] getResponseValueToParameterData(RDMDMXPersonalityDescr
             return personalityDescription.ToPayloadData();
         }
 
-        public override RequestRange<byte> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             if (value is RDMDMXPersonality perso)
                 return new RequestRange<byte>((byte)perso.MinIndex, (byte)perso.Count);
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.20/ParameterDescriptionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.20/ParameterDescriptionParameterWrapper.cs
index 2374776..62de57b 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.20/ParameterDescriptionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.20/ParameterDescriptionParameterWrapper.cs
@@ -35,7 +35,7 @@ protected override byte[] getResponseValueToParameterData(RDMParameterDescriptio
             return parameterDescription.ToPayloadData();
         }
 
-        public override RequestRange<ERDM_Parameter> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             throw new NotSupportedException($"There is no support for the Type: {value.GetType().ToString()}");
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.20/SelfTestDescriptionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.20/SelfTestDescriptionParameterWrapper.cs
index 97633e5..01886f7 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.20/SelfTestDescriptionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.20/SelfTestDescriptionParameterWrapper.cs
@@ -31,7 +31,7 @@ protected override byte[] getResponseValueToParameterData(RDMSelfTestDescription
             return value.ToPayloadData();
         }
 
-        public override RequestRange<byte> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return new RequestRange<byte>(0, byte.MaxValue);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.20/SensorDefinitionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.20/SensorDefinitionParameterWrapper.cs
index 6136f6b..100ddc0 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.20/SensorDefinitionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.20/SensorDefinitionParameterWrapper.cs
@@ -36,7 +36,7 @@ protected override byte[] getResponseValueToParameterData(RDMSensorDefinition se
             return sensorDefinition.ToPayloadData();
         }
 
-        public override RequestRange<byte> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             if (value is RDMDeviceInfo deviceInfo)
                 return new RequestRange<byte>(0, (byte)(deviceInfo.SensorCount - 1));
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.20/SensorValueParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.20/SensorValueParameterWrapper.cs
index 8e96f28..955c93a 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.20/SensorValueParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.20/SensorValueParameterWrapper.cs
@@ -10,7 +10,7 @@ public SensorValueParameterWrapper() : base(ERDM_Parameter.SENSOR_VALUE)
         public override string Name => "Sensor Value";
         public override string Description => "This parameter shall be used to retrieve or reset sensor data.";
 
-        private static readonly ERDM_Parameter[] descriptiveParameters = new ERDM_Parameter[] { ERDM_Parameter.DEVICE_INFO };
+        private static readonly ERDM_Parameter[] descriptiveParameters = new ERDM_Parameter[] { ERDM_Parameter.SENSOR_DEFINITION };
         public override ERDM_Parameter[] DescriptiveParameters => descriptiveParameters;
 
         protected override byte[] getRequestValueToParameterData(byte sensorId)
@@ -51,7 +51,7 @@ protected override byte[] setResponseValueToParameterData(RDMSensorValue value)
             return value.ToPayloadData();
         }
 
-        public override RequestRange<byte> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             if (value is RDMDeviceInfo deviceInfo)
                 return new RequestRange<byte>(0, (byte)(deviceInfo.SensorCount - 1));
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.20/SlotDescriptionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.20/SlotDescriptionParameterWrapper.cs
index 6010adb..84bdc91 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.20/SlotDescriptionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.20/SlotDescriptionParameterWrapper.cs
@@ -36,7 +36,7 @@ protected override byte[] getResponseValueToParameterData(RDMSlotDescription val
         {
             return value.ToPayloadData();
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             if (value is RDMDeviceInfo deviceInfo)
                 return new RequestRange<ushort>(0, (ushort)(deviceInfo.Dmx512Footprint));
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.20/StatusIdDescriptionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.20/StatusIdDescriptionParameterWrapper.cs
index ee87619..f6d6dcc 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.20/StatusIdDescriptionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.20/StatusIdDescriptionParameterWrapper.cs
@@ -31,7 +31,7 @@ protected override byte[] getResponseValueToParameterData(string value)
         {
             return Tools.ValueToData(value);
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return new RequestRange<ushort>(0, ushort.MaxValue);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.20/StatusMessageParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.20/StatusMessageParameterWrapper.cs
index 09944f2..61b1598 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.20/StatusMessageParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.20/StatusMessageParameterWrapper.cs
@@ -46,7 +46,7 @@ protected override byte[] getResponseValueToParameterData(RDMStatusMessage[] val
 
             return bytes.ToArray();
         }
-        public override RequestRange<ERDM_Status> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return new RequestRange<ERDM_Status>(0, (ERDM_Status)0x04);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.33/ComponentScopeParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.33/ComponentScopeParameterWrapper.cs
index e096d75..8274a4b 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.33/ComponentScopeParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.33/ComponentScopeParameterWrapper.cs
@@ -45,7 +45,7 @@ protected override byte[] setRequestValueToParameterData(GetSetComponentScope co
         {
             return componentScope.ToPayloadData();
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return EndpointListParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/CurveDescriptionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/CurveDescriptionParameterWrapper.cs
index 8a91e3a..eaf1e8d 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/CurveDescriptionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/CurveDescriptionParameterWrapper.cs
@@ -37,7 +37,7 @@ protected override byte[] getResponseValueToParameterData(RDMCurveDescription va
             return value.ToPayloadData();
         }
 
-        public override RequestRange<byte> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             if (value is RDMCurve curve)
                 return new RequestRange<byte>(1, (byte)(curve.Count));
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/LockStateDescriptionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/LockStateDescriptionParameterWrapper.cs
index b674802..74d280e 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/LockStateDescriptionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/LockStateDescriptionParameterWrapper.cs
@@ -36,7 +36,7 @@ protected override byte[] getResponseValueToParameterData(RDMLockStateDescriptio
             return value.ToPayloadData();
         }
 
-        public override RequestRange<byte> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             if (value is GetLockStateResponse lockState)
                 return new RequestRange<byte>(1, (byte)(lockState.Count));
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/ModulationFrequencyDescriptionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/ModulationFrequencyDescriptionParameterWrapper.cs
index 27e2a08..5471264 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/ModulationFrequencyDescriptionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/ModulationFrequencyDescriptionParameterWrapper.cs
@@ -36,7 +36,7 @@ protected override byte[] getResponseValueToParameterData(RDMModulationFrequency
             return value.ToPayloadData();
         }
 
-        public override RequestRange<byte> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             if (value is RDMModulationFrequency modulationFrequency)
                 return new RequestRange<byte>(1, (byte)(modulationFrequency.Count));
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/OutputResponseTimeDescriptionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/OutputResponseTimeDescriptionParameterWrapper.cs
index 2eea69e..a55d284 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/OutputResponseTimeDescriptionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/OutputResponseTimeDescriptionParameterWrapper.cs
@@ -35,7 +35,7 @@ protected override byte[] getResponseValueToParameterData(RDMOutputResponseTimeD
             return value.ToPayloadData();
         }
 
-        public override RequestRange<byte> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             if (value is RDMOutputResponseTime outputResponseTime)
                 return new RequestRange<byte>(1, (byte)(outputResponseTime.Count));
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/PresetStatusParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/PresetStatusParameterWrapper.cs
index 5253626..d2ca734 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/PresetStatusParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-1/PresetStatusParameterWrapper.cs
@@ -45,7 +45,7 @@ protected override byte[] setRequestValueToParameterData(RDMPresetStatus presetS
             return presetStatus.ToPayloadData();
         }
 
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             if (value is RDMPresetInfo presetInfo)
                 return new RequestRange<ushort>(0x0001, presetInfo.MaximumSceneNumber);
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/DHCPParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/DHCPParameterWrapper.cs
index cc43d6d..64d912d 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/DHCPParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/DHCPParameterWrapper.cs
@@ -42,7 +42,7 @@ protected override byte[] setRequestValueToParameterData(GetSetIPV4_xxx_Mode dhc
         {
             return dhcpMode.ToPayloadData();
         }
-        public override RequestRange<uint> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return ListInterfacesParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/HardwareAddressParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/HardwareAddressParameterWrapper.cs
index a07e434..2ec5f73 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/HardwareAddressParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/HardwareAddressParameterWrapper.cs
@@ -29,7 +29,7 @@ protected override byte[] getResponseValueToParameterData(GetHardwareAddressResp
         {
             return value.ToPayloadData();
         }
-        public override RequestRange<uint> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return ListInterfacesParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4Address_NetmaskParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4Address_NetmaskParameterWrapper.cs
index b47cff5..451d9fd 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4Address_NetmaskParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4Address_NetmaskParameterWrapper.cs
@@ -29,7 +29,7 @@ protected override byte[] getResponseValueToParameterData(GetIPv4CurrentAddressR
         {
             return value.ToPayloadData();
         }
-        public override RequestRange<uint> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return ListInterfacesParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4DefaultRouteParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4DefaultRouteParameterWrapper.cs
index 90965ff..1fa7f13 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4DefaultRouteParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4DefaultRouteParameterWrapper.cs
@@ -45,7 +45,7 @@ protected override byte[] setRequestValueToParameterData(GetSetIPv4DefaultRoute
         {
             return defaultRoute.ToPayloadData();
         }
-        public override RequestRange<uint> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return ListInterfacesParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4NameServerParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4NameServerParameterWrapper.cs
index ba81d72..01db428 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4NameServerParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4NameServerParameterWrapper.cs
@@ -39,7 +39,7 @@ protected override byte[] setRequestValueToParameterData(GetSetIPv4NameServer na
         {
             return nameServer.ToPayloadData();
         }
-        public override RequestRange<uint> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return ListInterfacesParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4StaticAddressParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4StaticAddressParameterWrapper.cs
index 96f9aaf..e6e6535 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4StaticAddressParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/IPv4StaticAddressParameterWrapper.cs
@@ -42,7 +42,7 @@ protected override byte[] setRequestValueToParameterData(GetSetIPv4StaticAddress
         {
             return staticAddress.ToPayloadData();
         }
-        public override RequestRange<uint> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return ListInterfacesParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/InterfaceNameParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/InterfaceNameParameterWrapper.cs
index abcb2af..0d21fba 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/InterfaceNameParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/InterfaceNameParameterWrapper.cs
@@ -29,7 +29,7 @@ protected override byte[] getResponseValueToParameterData(GetInterfaceNameRespon
         {
             return value.ToPayloadData();
         }
-        public override RequestRange<uint> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return ListInterfacesParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/ZeroconfModeParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/ZeroconfModeParameterWrapper.cs
index 9b85672..2f9261e 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/ZeroconfModeParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-2/ZeroconfModeParameterWrapper.cs
@@ -42,7 +42,7 @@ protected override byte[] setRequestValueToParameterData(GetSetIPV4_xxx_Mode dhc
         {
             return dhcpMode.ToPayloadData();
         }
-        public override RequestRange<uint> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return ListInterfacesParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/BackgroundQueuedStatusMessagePolicyDescriptionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/BackgroundQueuedStatusMessagePolicyDescriptionParameterWrapper.cs
index d2b85ff..4f28cc3 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/BackgroundQueuedStatusMessagePolicyDescriptionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/BackgroundQueuedStatusMessagePolicyDescriptionParameterWrapper.cs
@@ -33,7 +33,7 @@ protected override byte[] getResponseValueToParameterData(GetBackgroundQueuedSta
         {
             return value.ToPayloadData();
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return EndpointListParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/BindingAndControlFieldsParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/BindingAndControlFieldsParameterWrapper.cs
index 89c3334..a12fb73 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/BindingAndControlFieldsParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/BindingAndControlFieldsParameterWrapper.cs
@@ -33,7 +33,7 @@ protected override byte[] getResponseValueToParameterData(GetBindingAndControlFi
         {
             return response.ToPayloadData();
         }
-        public override RequestRange<GetBindingAndControlFieldsRequest> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             throw new System.NotSupportedException();
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/DiscoveryStateParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/DiscoveryStateParameterWrapper.cs
index c64dbe0..89e12f6 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/DiscoveryStateParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/DiscoveryStateParameterWrapper.cs
@@ -52,7 +52,7 @@ protected override byte[] setResponseValueToParameterData(ushort value)
         {
             return Tools.ValueToData(value);
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return EndpointListParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointBackgroundDiscoveryParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointBackgroundDiscoveryParameterWrapper.cs
index 4fc87ea..2df7431 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointBackgroundDiscoveryParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointBackgroundDiscoveryParameterWrapper.cs
@@ -57,7 +57,7 @@ protected override byte[] setResponseValueToParameterData(ushort endpointId)
         {
             return Tools.ValueToData(endpointId);
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return EndpointListParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointLabelParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointLabelParameterWrapper.cs
index 7feeff7..45cafc1 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointLabelParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointLabelParameterWrapper.cs
@@ -52,7 +52,7 @@ protected override byte[] setResponseValueToParameterData(ushort endpointId)
         {
             return Tools.ValueToData(endpointId);
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return EndpointListParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointModeParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointModeParameterWrapper.cs
index c2c139b..3aafb3a 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointModeParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointModeParameterWrapper.cs
@@ -50,7 +50,7 @@ protected override byte[] setResponseValueToParameterData(ushort endpointId)
         {
             return Tools.ValueToData(endpointId);
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return EndpointListParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointRDMTrafficEnableParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointRDMTrafficEnableParameterWrapper.cs
index 003b4a1..ce2599d 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointRDMTrafficEnableParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointRDMTrafficEnableParameterWrapper.cs
@@ -53,7 +53,7 @@ protected override byte[] setResponseValueToParameterData(ushort endpointId)
         {
             return Tools.ValueToData(endpointId);
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return EndpointListParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointTimingDescriptionParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointTimingDescriptionParameterWrapper.cs
index 8544007..c5b4d61 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointTimingDescriptionParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointTimingDescriptionParameterWrapper.cs
@@ -36,7 +36,7 @@ protected override byte[] getResponseValueToParameterData(GetEndpointTimingDescr
             return value.ToPayloadData();
         }
 
-        public override RequestRange<byte> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             if (value is GetEndpointTimingResponse getEndpointTiming)
                 return new RequestRange<byte>(1, (byte)(getEndpointTiming.Count));
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointTimingParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointTimingParameterWrapper.cs
index dfe4779..3500514 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointTimingParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointTimingParameterWrapper.cs
@@ -56,7 +56,7 @@ protected override byte[] setResponseValueToParameterData(ushort endpointId)
         {
             return Tools.ValueToData(endpointId);
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             if (value == null)
                 return new RequestRange<ushort>(0x0001, 0xF9FF);
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointToUniverseParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointToUniverseParameterWrapper.cs
index 5d796aa..4fb4690 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointToUniverseParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/EndpointToUniverseParameterWrapper.cs
@@ -52,7 +52,7 @@ protected override byte[] setResponseValueToParameterData(ushort endpointId)
         {
             return Tools.ValueToData(endpointId);
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return EndpointListParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/IdentifyEndpointParameterWrapper.cs b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/IdentifyEndpointParameterWrapper.cs
index c5c223d..c56fd19 100644
--- a/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/IdentifyEndpointParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Catalogue/E1.37-7/IdentifyEndpointParameterWrapper.cs
@@ -50,7 +50,7 @@ protected override byte[] setResponseValueToParameterData(ushort endpointId)
         {
             return Tools.ValueToData(endpointId);
         }
-        public override RequestRange<ushort> GetRequestRange(object value)
+        public override IRequestRange GetRequestRange(object value)
         {
             return EndpointListParameterWrapper.GetRequestRange(value);
         }
diff --git a/RDMSharp/ParameterWrapper/Interface/IRDMBlueprintDescriptionListParameterWrapper.cs b/RDMSharp/ParameterWrapper/Interface/IRDMBlueprintDescriptionListParameterWrapper.cs
index 06f6429..d34b557 100644
--- a/RDMSharp/ParameterWrapper/Interface/IRDMBlueprintDescriptionListParameterWrapper.cs
+++ b/RDMSharp/ParameterWrapper/Interface/IRDMBlueprintDescriptionListParameterWrapper.cs
@@ -2,5 +2,6 @@
 {
     public interface IRDMBlueprintDescriptionListParameterWrapper : IRDMBlueprintParameterWrapper, IRDMDescriptionParameterWrapper
     {
+        ERDM_Parameter[] DescriptiveParameters { get; }
     }
 }
\ No newline at end of file
diff --git a/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperGetResponseContravariance.cs b/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperGetResponseContravariance.cs
new file mode 100644
index 0000000..569df6b
--- /dev/null
+++ b/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperGetResponseContravariance.cs
@@ -0,0 +1,8 @@
+namespace RDMSharp.ParameterWrapper
+{
+    public interface IRDMGetParameterWrapperGetResponseContravariance<in TResponse> : IRDMGetParameterWrapperResponse
+    {
+        RDMMessage BuildGetResponseMessage(TResponse value);
+        byte[] GetResponseValueToParameterData(TResponse value);
+    }
+}
\ No newline at end of file
diff --git a/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperRequest.cs b/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperRequest.cs
index 217d350..f590896 100644
--- a/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperRequest.cs
+++ b/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperRequest.cs
@@ -8,5 +8,6 @@ public interface IRDMGetParameterWrapperRequest : IRDMParameterWrapper
         RDMMessage BuildGetRequestMessage(object value);
         byte[] GetRequestObjectToParameterData(object value);
         object GetRequestParameterDataToObject(byte[] parameterData);
+        IRequestRange GetRequestRange(object value);
     }
 }
\ No newline at end of file
diff --git a/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperRequest1.cs b/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperRequest1.cs
index 37d150f..2f6e719 100644
--- a/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperRequest1.cs
+++ b/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperRequest1.cs
@@ -1,11 +1,9 @@
 namespace RDMSharp.ParameterWrapper
 {
-    public interface IRDMGetParameterWrapperRequest<TRequest> : IRDMGetParameterWrapperRequest
+    public interface IRDMGetParameterWrapperRequest<TRequest> : IRDMGetParameterWrapperRequest, IRDMGetParameterWrapperRequestContravariance<TRequest>
     {
         ERDM_Parameter[] DescriptiveParameters { get; }
-        RequestRange<TRequest> GetRequestRange(object value);
-        RDMMessage BuildGetRequestMessage(TRequest value);
-        byte[] GetRequestValueToParameterData(TRequest value);
         TRequest GetRequestParameterDataToValue(byte[] parameterData);
+        new IRequestRange<TRequest> GetRequestRange(object value);
     }
 }
\ No newline at end of file
diff --git a/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperRequestContravariance.cs b/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperRequestContravariance.cs
new file mode 100644
index 0000000..388292d
--- /dev/null
+++ b/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperRequestContravariance.cs
@@ -0,0 +1,8 @@
+namespace RDMSharp.ParameterWrapper
+{
+    public interface IRDMGetParameterWrapperRequestContravariance<in TRequest> : IRDMGetParameterWrapperRequest
+    {
+        RDMMessage BuildGetRequestMessage(TRequest value);
+        byte[] GetRequestValueToParameterData(TRequest value);
+    }
+}
\ No newline at end of file
diff --git a/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperResponse1.cs b/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperResponse1.cs
index 720c5ce..dff4661 100644
--- a/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperResponse1.cs
+++ b/RDMSharp/ParameterWrapper/Interface/IRDMGetParameterWrapperResponse1.cs
@@ -1,9 +1,7 @@
 namespace RDMSharp.ParameterWrapper
 {
-    public interface IRDMGetParameterWrapperResponse<TResponse> : IRDMGetParameterWrapperResponse
+    public interface IRDMGetParameterWrapperResponse<TResponse> : IRDMGetParameterWrapperResponse, IRDMGetParameterWrapperGetResponseContravariance<TResponse>
     {
-        RDMMessage BuildGetResponseMessage(TResponse value);
         TResponse GetResponseParameterDataToValue(byte[] parameterData);
-        byte[] GetResponseValueToParameterData(TResponse value);
     }
 }
\ No newline at end of file
diff --git a/RDMSharp/RDM/Device/AbstractGeneratedRDMDevice.cs b/RDMSharp/RDM/Device/AbstractGeneratedRDMDevice.cs
index e489c7b..a510ee3 100644
--- a/RDMSharp/RDM/Device/AbstractGeneratedRDMDevice.cs
+++ b/RDMSharp/RDM/Device/AbstractGeneratedRDMDevice.cs
@@ -19,6 +19,7 @@ public abstract class AbstractGeneratedRDMDevice : AbstractRDMDevice
         #endregion
         public abstract string DeviceModelDescription { get; }
         public abstract GeneratedPersonality[] Personalities { get; }
+        public abstract Sensor[] Sensors { get; }
 
         public abstract bool SupportDMXAddress { get; }
 
@@ -135,6 +136,13 @@ protected AbstractGeneratedRDMDevice(RDMUID uid, ERDM_Parameter[] parameters, st
                 _params.Add(ERDM_Parameter.SLOT_DESCRIPTION);
                 _params.Add(ERDM_Parameter.DEFAULT_SLOT_VALUE);
             }
+            if ((Sensors?.Length ?? 0) != 0)
+            {
+                _params.Add(ERDM_Parameter.SENSOR_DEFINITION);
+                _params.Add(ERDM_Parameter.SENSOR_VALUE);
+                if(Sensors.Any(s=>s.RecordedValueSupported))
+                    _params.Add(ERDM_Parameter.RECORD_SENSORS);
+            }
 
             Parameters = _params.Distinct().ToArray();
             #endregion
@@ -178,6 +186,52 @@ protected AbstractGeneratedRDMDevice(RDMUID uid, ERDM_Parameter[] parameters, st
             }
             #endregion
 
+            #region Sensors
+            if (Sensors != null)
+            {
+                if (Sensors.Length >= byte.MaxValue)
+                    throw new ArgumentOutOfRangeException($"There to many {Sensors}! Maxumum is {byte.MaxValue - 1}");
+
+                if (Sensors.Length != 0)
+                {
+                    var sensorDef = new ConcurrentDictionary<object, object>();
+                    foreach (var sensor in Sensors)
+                    {
+                        if (!sensorDef.TryAdd(sensor.SensorId, (RDMSensorDefinition)sensor))
+                            throw new Exception($"{sensor.SensorId} already used as {nameof(sensor.SensorId)}");
+
+                        SetGeneratedSensorDescription((RDMSensorDefinition)sensor);
+                        SetGeneratedSensorValue((RDMSensorValue)sensor);
+                        sensor.PropertyChanged += (o, e) =>
+                        {
+                            switch (e.PropertyName)
+                            {
+                                case nameof(Sensor.Type):
+                                case nameof(Sensor.Unit):
+                                case nameof(Sensor.Prefix):
+                                case nameof(Sensor.RangeMaximum):
+                                case nameof(Sensor.RangeMinimum):
+                                case nameof(Sensor.NormalMaximum):
+                                case nameof(Sensor.NormalMinimum):
+                                case nameof(Sensor.LowestHighestValueSupported):
+                                case nameof(Sensor.RecordedValueSupported):
+                                    SetGeneratedSensorDescription((RDMSensorDefinition)sensor);
+                                    break;
+                                case nameof(Sensor.PresentValue):
+                                case nameof(Sensor.LowestValue):
+                                case nameof(Sensor.HighestValue):
+                                case nameof(Sensor.RecordedValue):
+                                    SetGeneratedSensorValue((RDMSensorValue)sensor);
+                                    break;
+                            }
+                        };
+                    }
+
+                    trySetParameter(ERDM_Parameter.SENSOR_DEFINITION, sensorDef);
+                }
+            }
+            #endregion
+
             #region DMX-Address
             if (Parameters.Contains(ERDM_Parameter.DMX_START_ADDRESS))
                 DMXAddress = 1;
@@ -195,7 +249,8 @@ private void updateDeviceInfo()
                                            SoftwareVersionID,
                                            dmx512CurrentPersonality: currentPersonality,
                                            dmx512NumberOfPersonalities: (byte)(Personalities?.Length ?? 0),
-                                           dmx512StartAddress: dmxAddress);
+                                           dmx512StartAddress: dmxAddress,
+                                           sensorCount: (byte)(Sensors?.Length ?? 0));
         }
         private bool trySetParameter(ERDM_Parameter parameter, object value)
         {
@@ -206,7 +261,7 @@ private bool trySetParameter(ERDM_Parameter parameter, object value)
             {
                 case IRDMSetParameterWrapperResponse setParameterWrapperResponse:
                     if (setParameterWrapperResponse.SetResponseType != value.GetType())
-                        throw new NotSupportedException($"The Type of {nameof(value)} is not supported as Response for Parameter: {parameter}, the only supported Type is {setParameterWrapperResponse.SetResponseType}");
+                        throw new NotSupportedException($"The Type of {value.GetType()} is not supported as Response for Parameter: {parameter}, the only supported Type is {setParameterWrapperResponse.SetResponseType}");
                     break;
             }
             base.SetGeneratedParameterValue(parameter, value);
diff --git a/RDMSharp/RDM/Device/AbstractRDMDevice.cs b/RDMSharp/RDM/Device/AbstractRDMDevice.cs
index 9ffac65..c6cf884 100644
--- a/RDMSharp/RDM/Device/AbstractRDMDevice.cs
+++ b/RDMSharp/RDM/Device/AbstractRDMDevice.cs
@@ -39,8 +39,8 @@ public abstract class AbstractRDMDevice : IRDMDevice
         public IReadOnlyDictionary<ERDM_Parameter, object> ParameterValues => parameterValues.AsReadOnly();
         private readonly HashSet<ERDM_Parameter> pendingParametersUpdateRequest = new HashSet<ERDM_Parameter>();
 
-        private readonly ConcurrentDictionary<byte, RDMSensorValue> sensorValues = new ConcurrentDictionary<byte, RDMSensorValue>();
-        public IReadOnlyDictionary<byte, RDMSensorValue> SensorValues => sensorValues.AsReadOnly();
+        private readonly ConcurrentDictionary<byte, Sensor> sensors = new ConcurrentDictionary<byte, Sensor>();
+        public IReadOnlyDictionary<byte, Sensor> Sensors => sensors.AsReadOnly();
         private readonly HashSet<byte> pendingSensorValuesUpdateRequest = new HashSet<byte>();
 
         private ConcurrentDictionary<ushort, Slot> slots = new ConcurrentDictionary<ushort, Slot>();
@@ -80,11 +80,21 @@ private protected void SetGeneratedParameterValue(ERDM_Parameter parameter, obje
                     return;
             }
         }
+        private protected void SetGeneratedSensorDescription(RDMSensorDefinition value)
+        {
+            if (!IsGenerated)
+                return;
+
+            Sensor sensor = sensors.GetOrAdd(value.SensorId, (a) => new Sensor(a));
+            sensor.UpdateDescription(value);
+        }
         private protected void SetGeneratedSensorValue(RDMSensorValue value)
         {
             if (!IsGenerated)
                 return;
-            sensorValues.AddOrUpdate(value.SensorId, value, (o, p) => value);
+
+            Sensor sensor = sensors.GetOrAdd(value.SensorId, (a) => new Sensor(a));
+            sensor.UpdateValue(value);
         }
         public async Task<bool> SetParameter(ERDM_Parameter parameter, object value = null)
         {
@@ -248,7 +258,16 @@ protected RDMMessage processRequestMessage(RDMMessage rdmMessage)
                             List<ERDM_Parameter> sp = new List<ERDM_Parameter>();
                             sp.Add(ERDM_Parameter.DEVICE_INFO);
                             sp.AddRange(parameterValues.Keys);
-                            response = _supportedParametersParameterWrapper.BuildGetResponseMessage(sp.ToArray());
+                            if (deviceModel != null)
+                                sp.AddRange(deviceModel.SupportedParameters);
+                            if (!sensors.IsEmpty)
+                            {
+                                sp.Add(ERDM_Parameter.SENSOR_DEFINITION);
+                                sp.Add(ERDM_Parameter.SENSOR_VALUE);
+                                if(sensors.Any(s=>s.Value.RecordedValueSupported))
+                                    sp.Add(ERDM_Parameter.RECORD_SENSORS);
+                            }
+                            response = _supportedParametersParameterWrapper.BuildGetResponseMessage(sp.Distinct().ToArray());
                             break;
                         case QueuedMessageParameterWrapper _queuedMessageParameterWrapper:
                             response = statusMessageParameterWrapper.BuildGetResponseMessage([]);
@@ -299,6 +318,11 @@ protected RDMMessage processRequestMessage(RDMMessage rdmMessage)
                             when responseValue is ushort _ushort:
                             response = dmx512StartingAddressParameterWrapper.BuildGetResponseMessage(_ushort);
                             break;
+                        case SensorValueParameterWrapper sensorValueParameterWrapper:
+                            if (sensors.TryGetValue((byte)rdmMessage.Value, out Sensor sensor))
+                                response = sensorValueParameterWrapper.BuildGetResponseMessage((RDMSensorValue)sensor);
+                            break;
+
                         case IRDMGetParameterWrapperResponse getParameterWrapperResponse:
                             response = getParameterWrapperResponse.BuildGetResponseMessage(responseValue);
                             break;
@@ -616,17 +640,18 @@ private async Task processResponseMessage(RDMMessage rdmMessage)
                     }
                     this.OnPropertyChanged(nameof(this.Slots));
                     break;
-                case SensorDefinitionParameterWrapper _sensorDefinitionParameterWrapper:
+                case SensorValueParameterWrapper _sensorValueParameterWrapper:
                     if (value is not RDMSensorValue sensorValue)
                     {
                         if (value != null)
-                            Logger?.LogError($"The response does not contain the expected data {typeof(RDMSensorValue)}!{Environment.NewLine}{rdmMessage}");
+                            Logger?.LogError($"The response does not contain the expected data {typeof(RDMSensorDefinition)}!{Environment.NewLine}{rdmMessage}");
                         else
                             Logger?.LogError($"No response received");
                         return;
                     }
-                    sensorValues.AddOrUpdate(sensorValue.SensorId, sensorValue, (x, y) => sensorValue);
-                    this.OnPropertyChanged(nameof(this.SensorValues));
+                    Sensor sensorV = sensors.GetOrAdd(sensorValue.SensorId, (a) => new Sensor(a));
+                    sensorV.UpdateValue(sensorValue);
+                    this.OnPropertyChanged(nameof(this.Sensors));
                     break;
 
                 case IRDMGetParameterWrapperWithEmptyGetRequest @emptyGetRequest:
@@ -790,7 +815,16 @@ public async Task UpdateSensorValues()
             {
                 List<Task> tasks = new List<Task>();
                 foreach (var sd in this.DeviceModel.GetSensorDefinitions())
+                {
+                    sensors.GetOrAdd(sd.SensorId, (a) =>
+                    {
+                        var s = new Sensor(a);
+                        s.UpdateDescription(sd);
+                        return s;
+                    });
+
                     tasks.Add(this.UpdateSensorValue(sd.SensorId));
+                }
 
                 await Task.WhenAny(Task.WhenAll(tasks), Task.Delay(TimeSpan.FromSeconds(10)));
             }
diff --git a/RDMSharp/RDM/Device/RDMDeviceModel.cs b/RDMSharp/RDM/Device/RDMDeviceModel.cs
index 43ec3f2..76863bb 100644
--- a/RDMSharp/RDM/Device/RDMDeviceModel.cs
+++ b/RDMSharp/RDM/Device/RDMDeviceModel.cs
@@ -133,18 +133,78 @@ internal async Task Initialize()
                 if (pw is not IRDMBlueprintParameterWrapper)
                     continue;
 
+                RDMMessage request = null;
                 if (pw is IRDMBlueprintDescriptionListParameterWrapper blueprintDL)
-                    pw = pmManager.GetRDMParameterWrapperByID(blueprintDL.ValueParameterID);
+                {
+                    foreach (IRDMParameterWrapper _pm in blueprintDL.DescriptiveParameters.Select(pid => pmManager.GetRDMParameterWrapperByID(pid)))
+                        await doCurrentWrapper(_pm);
+                    //if (blueprintDL.DescriptiveParameters?.Contains(blueprintDL.ValueParameterID) == false)
+                    //    await doCurrentWrapper(pmManager.GetRDMParameterWrapperByID(blueprintDL.ValueParameterID));
 
-                RDMMessage request = null;
-                if (pw is IRDMGetParameterWrapperWithEmptyGetRequest emptyGet)
-                    request = emptyGet.BuildGetRequestMessage();
+                    await doCurrentWrapper(pw);
+                }
+                else
+                    await doCurrentWrapper(pw);
 
-                if (request == null)
-                    continue;
+                async Task doCurrentWrapper(IRDMParameterWrapper wrapper)
+                {
+                    if (this.parameterValues.ContainsKey(wrapper.Parameter))
+                        return;
+                    
+                    switch (wrapper)
+                    {
+                        case IRDMGetParameterWrapperWithEmptyGetRequest emptyGet:
+                            request = emptyGet.BuildGetRequestMessage();
+                            if (request != null)
+                                await processMessage(await requestParameter(request));
+                            return;
+                        case IRDMGetParameterWrapperRequest getParameter:
+                            await doRange(getParameter);
+                            return;
+
+                        //case IRDMGetParameterWrapperRequestContravariance<byte> getContravarianceByte:
+                        //    doRange(getContravarianceByte);
+                        //    return;
+
+                        //case IRDMGetParameterWrapperRequestContravariance<object> getContravarianceObject:
+                        //    break;
+                        //case IRDMGetParameterWrapperRequestContravariance<RDMDeviceInfo> getContravarianceObject:
+                        //    break;
 
+                        default:
+                            break;
+                    }
 
-                await processMessage(await requestParameter(request));
+
+                    if (request == null)
+                        return;
+
+
+                    await processMessage(await requestParameter(request));
+                    async Task doRange(IRDMGetParameterWrapperRequest getParameterWrapperRequest)
+                    {
+                        ERDM_Parameter descriptive;
+                        object dVal = null;
+                        IRequestRange range = null;
+                        if (getParameterWrapperRequest is IRDMBlueprintDescriptionListParameterWrapper blueprintDL)
+                        {
+                            descriptive = blueprintDL.DescriptiveParameters.FirstOrDefault();
+                            if (descriptive != default)
+                                this.parameterValues.TryGetValue(descriptive, out dVal);
+                        }
+                        if (dVal == null)
+                            return;
+                        range = getParameterWrapperRequest.GetRequestRange(dVal);
+                        if (range == null)
+                            return;
+                        foreach (var r in range.ToEnumerator())
+                        {
+                            request = getParameterWrapperRequest.BuildGetRequestMessage(r);
+                            if (request != null)
+                                await processMessage(await requestParameter(request));
+                        }
+                    }
+                }
             }
             IsInitialized = true;
             Initialized?.Invoke(this, EventArgs.Empty);
@@ -345,8 +405,8 @@ public RDMSensorDefinition[] GetSensorDefinitions()
                     return Array.Empty<RDMSensorDefinition>();
                 else
                 {
-                    var definitions = value as HashSet<object>;
-                    return definitions.Cast<RDMSensorDefinition>().ToArray();
+                    var definitions = value as ConcurrentDictionary<object, object>;
+                    return definitions.Values.Cast<RDMSensorDefinition>().ToArray();
                 }
             }
             catch
diff --git a/RDMSharp/RDM/IRDMDevice.cs b/RDMSharp/RDM/IRDMDevice.cs
index e7be16e..09c5adc 100644
--- a/RDMSharp/RDM/IRDMDevice.cs
+++ b/RDMSharp/RDM/IRDMDevice.cs
@@ -13,7 +13,7 @@ public interface IRDMDevice : IDisposable, INotifyPropertyChanged
         RDMDeviceInfo DeviceInfo { get; }
 
         IReadOnlyDictionary<ERDM_Parameter, object> ParameterValues { get; }
-        IReadOnlyDictionary<byte, RDMSensorValue> SensorValues { get; }
+        IReadOnlyDictionary<byte, Sensor> Sensors { get; }
         IReadOnlyDictionary<ushort, Slot> Slots { get; }
 
         bool IsDisposing { get; }
diff --git a/RDMSharp/RDM/PayloadObject/RequestRange.cs b/RDMSharp/RDM/PayloadObject/RequestRange.cs
index 09860b5..57af859 100644
--- a/RDMSharp/RDM/PayloadObject/RequestRange.cs
+++ b/RDMSharp/RDM/PayloadObject/RequestRange.cs
@@ -3,23 +3,48 @@
 
 namespace RDMSharp
 {
-    public class RequestRange<T>
+    public class RequestRange<T>: IRequestRange, IRequestRange<T>
     {
-        public readonly T Start;
-        public readonly T End;
+
+        object IRequestRange.Start => _start;
+
+        object IRequestRange.End => _end;
+
+        T IRequestRange<T>.Start => (T)Convert.ChangeType(_start, typeof(T));
+
+        T IRequestRange<T>.End => (T)Convert.ChangeType(_end, typeof(T));
+
+        private ulong _start;
+        private ulong _end;
 
         public RequestRange(T start, T end)
         {
-            this.Start = start;
-            this.End = end;
+            _start = Convert.ToUInt64(start);
+            _end = Convert.ToUInt64(end);
         }
 
-        public IEnumerable<T> ToEnumerator()
+        IEnumerable<T> IRequestRange<T>.ToEnumerator()
         {
-            ulong start = Convert.ToUInt64(this.Start);
-            ulong end = Convert.ToUInt64(this.End);
-            for (ulong i = start; i <= end; i++)
+            for (ulong i = _start; i <= _end; i++)
                 yield return (T)Convert.ChangeType(i, typeof(T));
         }
+        IEnumerable<object> IRequestRange.ToEnumerator()
+        {
+            for (ulong i = _start; i <= _end; i++)
+                yield return (T)Convert.ChangeType(i, typeof(T));
+        }
+    }
+    public interface IRequestRange<T>
+    {
+        T Start { get; }
+        T End { get; }
+        public IEnumerable<T> ToEnumerator();
+    }
+    public interface IRequestRange
+    {
+        object Start { get; }
+        object End { get; }
+
+        public IEnumerable<object> ToEnumerator();
     }
 }
\ No newline at end of file
diff --git a/RDMSharp/RDM/Sensor.cs b/RDMSharp/RDM/Sensor.cs
index 5e667b3..6836b98 100644
--- a/RDMSharp/RDM/Sensor.cs
+++ b/RDMSharp/RDM/Sensor.cs
@@ -9,7 +9,7 @@ public class Sensor : INotifyPropertyChanged, IEquatable<Sensor>
     {
         public event PropertyChangedEventHandler PropertyChanged;
 
-        public readonly ushort SensorId;
+        public readonly byte SensorId;
 
         private ERDM_SensorType type;
         public ERDM_SensorType Type
@@ -236,10 +236,11 @@ protected Sensor(in byte sensorId,
         internal void UpdateDescription(RDMSensorDefinition sensorDescription)
         {
             if (this.SensorId != sensorDescription.SensorId)
-                throw new InvalidOperationException($"The given {nameof(sensorDescription)} has not the expected id of {this.SensorId} but {sensorDescription.SlotId}");
+                throw new InvalidOperationException($"The given {nameof(sensorDescription)} has not the expected id of {this.SensorId} but {sensorDescription.SensorId}");
 
             this.Description = sensorDescription.Description;
             this.Type = sensorDescription.Type;
+            this.Unit = sensorDescription.Unit;
             this.Prefix = sensorDescription.Prefix;
             this.RangeMinimum = sensorDescription.RangeMinimum;
             this.RangeMaximum = sensorDescription.RangeMaximum;
@@ -264,17 +265,16 @@ protected virtual void UpdateValue(short value)
             PresentValue = value;
             if (this.LowestHighestValueSupported)
                 updateLowestHighstValue(value);
-            if (this.RecordedValueSupported)
-                updateLRecordedValue(value);
         }
         private void updateLowestHighstValue(short value)
         {
             LowestValue = Math.Min(LowestValue, value);
             HighestValue = Math.Max(HighestValue, value);
         }
-        private void updateLRecordedValue(short value)
+        internal void RecordValue(short value)
         {
-            RecordedValue = value;
+            if (this.RecordedValueSupported)
+                RecordedValue = value;
         }
         internal void ResetValues()
         {
@@ -387,14 +387,28 @@ public override int GetHashCode()
 #endif
         }
 
-        public static bool operator ==(Sensor left, Sensor right)
+
+        public static implicit operator RDMSensorDefinition(Sensor _this)
         {
-            return EqualityComparer<Sensor>.Default.Equals(left, right);
+            return new RDMSensorDefinition(_this.SensorId,
+                                           _this.Type,
+                                           _this.Unit,
+                                           _this.Prefix,
+                                           _this.RangeMinimum,
+                                           _this.RangeMaximum,
+                                           _this.NormalMinimum,
+                                           _this.NormalMaximum,
+                                           _this.LowestHighestValueSupported,
+                                           _this.RecordedValueSupported,
+                                           _this.Description);
         }
-
-        public static bool operator !=(Sensor left, Sensor right)
+        public static implicit operator RDMSensorValue(Sensor _this)
         {
-            return !(left == right);
+            return new RDMSensorValue(_this.SensorId,
+                                           _this.PresentValue,
+                                           _this.LowestValue,
+                                           _this.HighestValue,
+                                           _this.RecordedValue);
         }
     }
 }
\ No newline at end of file
diff --git a/RDMSharpTests/Devices/Mock/MockGeneratedDevice1.cs b/RDMSharpTests/Devices/Mock/MockGeneratedDevice1.cs
index 1945e7d..fbbdef1 100644
--- a/RDMSharpTests/Devices/Mock/MockGeneratedDevice1.cs
+++ b/RDMSharpTests/Devices/Mock/MockGeneratedDevice1.cs
@@ -40,10 +40,13 @@ internal sealed class MockGeneratedDevice1 : AbstractMockGeneratedDevice
                 new Slot(8, ERDM_SlotCategory.COLOR_ADD_BLUE,ERDM_SlotType.SEC_FINE, "Blue Fine" ))];
 
         private static readonly Sensor[] SENSORS = [
-            new MockSensor1(1, 1, 3000),
-            new MockSensor1(2, 2, 8000),
-            new MockSensor1(3, 3, 12000)];
+            new MockSensorTemp(0, 1, 3000),
+            new MockSensorTemp(1, 2, 8000),
+            new MockSensorTemp(2, 3, 12000),
+            new MockSensorVolt3_3(3, 331),
+            new MockSensorVolt5(4, 498)];
         public override GeneratedPersonality[] Personalities => PERSONALITYS;
+        public override Sensor[] Sensors => SENSORS;
         public MockGeneratedDevice1(RDMUID uid) : base(uid, [ERDM_Parameter.IDENTIFY_DEVICE, ERDM_Parameter.BOOT_SOFTWARE_VERSION_LABEL], "Dummy Manufacturer 9FFF")
         {
             this.DeviceLabel = "Dummy Device 1";
@@ -51,9 +54,23 @@ public MockGeneratedDevice1(RDMUID uid) : base(uid, [ERDM_Parameter.IDENTIFY_DEV
             this.TrySetParameter(ERDM_Parameter.BOOT_SOFTWARE_VERSION_LABEL, $"Dummy Software");
         }
 
-        private class MockSensor1 : Sensor
+        private class MockSensorTemp : Sensor
         {
-            public MockSensor1(in byte sensorId, byte number, short initValue) : base(sensorId, ERDM_SensorType.TEMPERATURE, ERDM_SensorUnit.CENTIGRADE, ERDM_UnitPrefix.CENTI, $"Mock Temp. {number}", -2000, 10000, 2000, 5000, true, true)
+            public MockSensorTemp(in byte sensorId, byte number, short initValue) : base(sensorId, ERDM_SensorType.TEMPERATURE, ERDM_SensorUnit.CENTIGRADE, ERDM_UnitPrefix.CENTI, $"Mock Temp. {number}", -2000, 10000, 2000, 5000, true, true)
+            {
+                UpdateValue(initValue);
+            }
+        }
+        private class MockSensorVolt3_3 : Sensor
+        {
+            public MockSensorVolt3_3(in byte sensorId, short initValue) : base(sensorId, ERDM_SensorType.VOLTAGE, ERDM_SensorUnit.VOLTS_DC, ERDM_UnitPrefix.CENTI, $"Mock 3.3V Rail", -200, 500, 330, 360, true, true)
+            {
+                UpdateValue(initValue);
+            }
+        }
+        private class MockSensorVolt5 : Sensor
+        {
+            public MockSensorVolt5(in byte sensorId, short initValue) : base(sensorId, ERDM_SensorType.VOLTAGE, ERDM_SensorUnit.VOLTS_DC, ERDM_UnitPrefix.CENTI, $"Mock 5V Rail ", -200, 1000, 470, 530, true, true)
             {
                 UpdateValue(initValue);
             }
diff --git a/RDMSharpTests/Devices/TestRDMSendReceive.cs b/RDMSharpTests/Devices/TestRDMSendReceive.cs
index 34b7e9f..010ff61 100644
--- a/RDMSharpTests/Devices/TestRDMSendReceive.cs
+++ b/RDMSharpTests/Devices/TestRDMSendReceive.cs
@@ -1,5 +1,6 @@
 using RDMSharpTests.Devices.Mock;
 using System.Diagnostics;
+using System.Reflection.Metadata;
 
 namespace RDMSharpTests.RDM.Devices
 {
@@ -27,7 +28,8 @@ public async Task TestDevice1()
         {
             var parameterValuesRemote = remote.GetAllParameterValues();
             var parameterValuesGenerated = generated.GetAllParameterValues();
-            Assert.Multiple(() =>
+
+           Assert.Multiple(() =>
             {
                 foreach (var parameter in parameterValuesGenerated.Keys)
                 {
@@ -41,6 +43,11 @@ public async Task TestDevice1()
                 }
                 Assert.That(parameterValuesRemote, Has.Count.EqualTo(parameterValuesGenerated.Count));
             });
+            Assert.Multiple(() =>
+            {
+                Assert.That(remote.DeviceModel.SupportedBlueprintParameters, Contains.Item(ERDM_Parameter.SENSOR_DEFINITION));
+                Assert.That(remote.DeviceModel.SupportedNonBlueprintParameters, Contains.Item(ERDM_Parameter.SENSOR_VALUE));
+            });
 
             Assert.Multiple(() =>
             {
@@ -49,6 +56,15 @@ public async Task TestDevice1()
                 Assert.That(remote.GetAllParameterValues()[ERDM_Parameter.DEVICE_MODEL_DESCRIPTION], Is.EqualTo(generated.DeviceModelDescription));
                 Assert.That(remote.GetAllParameterValues()[ERDM_Parameter.MANUFACTURER_LABEL], Is.EqualTo(generated.ManufacturerLabel));
                 Assert.That(((RDMDMXPersonality)remote.GetAllParameterValues()[ERDM_Parameter.DMX_PERSONALITY]).Index, Is.EqualTo(generated.CurrentPersonality));
+            });
+            Assert.Multiple(() =>
+            {
+                Assert.That(remote.Sensors.Values, Has.Count.EqualTo(generated.Sensors.Length));
+                Assert.That(remote.Sensors.Values, Is.EqualTo(generated.Sensors));
+                foreach (var s in generated.Sensors)
+                {
+                    Assert.That(remote.Sensors.Values, Contains.Item(s));
+                }
             });
 
             await remote.SetParameter(ERDM_Parameter.DMX_START_ADDRESS, (ushort)512);