diff --git a/_addons_bindings/bluetooth.radoneye/readme.md b/_addons_bindings/bluetooth.radoneye/readme.md
index c3aad0e29..c1f244ede 100644
--- a/_addons_bindings/bluetooth.radoneye/readme.md
+++ b/_addons_bindings/bluetooth.radoneye/readme.md
@@ -42,9 +42,10 @@ Supported configuration parameters for the things:
 
 Following channels are supported for `RadonEye` thing:
 
-| Channel ID         | Item Type                | Description                                 |
-| ------------------ | ------------------------ | ------------------------------------------- |
-| radon              | Number:Density           | The measured radon level                    |
+| Channel ID | Item Type                        | Description                            |
+|------------|----------------------------------|----------------------------------------|
+| radon      | Number:RadiationSpecificActivity | The measured radon level               |
+| decay      | Number:Dimensionless             | The decay count in the last time frame |
 
 ## Example
 
@@ -57,5 +58,6 @@ bluetooth:radoneye_rd200:adapter1:sensor1  "radoneye Wave Plus Sensor 1" (blueto
 radoneye.items:
 
 ```java
-Number:Density          radon    "Radon level [%d %unit%]"   { channel="bluetooth:radoneye_rd200:adapter1:sensor1:radon" }
+Number:RadiationSpecificActivity     radon    "Radon level [%d %unit%]"   { channel="bluetooth:radoneye_rd200:adapter1:sensor1:radon" }
+Number:Dimensionless                 decay    "Decay count [%d %unit%]"   { channel="bluetooth:radoneye_rd200:adapter1:sensor1:decay" }
 ```
diff --git a/_thing_types/org.openhab.binding.bluetooth.radoneye/src/main/resources/OH-INF/thing/radoneye.xml b/_thing_types/org.openhab.binding.bluetooth.radoneye/src/main/resources/OH-INF/thing/radoneye.xml
index ba46d39d7..7f0c48617 100644
--- a/_thing_types/org.openhab.binding.bluetooth.radoneye/src/main/resources/OH-INF/thing/radoneye.xml
+++ b/_thing_types/org.openhab.binding.bluetooth.radoneye/src/main/resources/OH-INF/thing/radoneye.xml
@@ -17,8 +17,13 @@
 		<channels>
 			<channel id="rssi" typeId="rssi"/>
 			<channel id="radon" typeId="radoneye_radon"/>
+			<channel id="decay" typeId="radoneye_decay"/>
 		</channels>
 
+		<properties>
+			<property name="thingTypeVersion">1</property>
+		</properties>
+
 		<config-description>
 			<parameter name="address" type="text">
 				<label>Address</label>
@@ -38,9 +43,15 @@
 	</thing-type>
 
 	<channel-type id="radoneye_radon">
-		<item-type>Number:Density</item-type>
+		<item-type>Number:RadiationSpecificActivity</item-type>
 		<label>Radon Current Level</label>
 		<description>Radon gas level</description>
 		<state readOnly="true" pattern="%.0f %unit%"/>
 	</channel-type>
+	<channel-type id="radoneye_decay">
+		<item-type>Number:Dimensionless</item-type>
+		<label>Decay Counter</label>
+		<description>The decay count in the last time frame</description>
+		<state readOnly="true" pattern="%.0f"/>
+	</channel-type>
 </thing:thing-descriptions>