diff --git a/custom_components/airobot_thermostat/climate.py b/custom_components/airobot_thermostat/climate.py
index c104736..14d2f13 100644
--- a/custom_components/airobot_thermostat/climate.py
+++ b/custom_components/airobot_thermostat/climate.py
@@ -28,6 +28,10 @@ def __init__(self, coordinator):
         self._attr_preset_modes = [PRESET_HOME, PRESET_AWAY]
         self._attr_preset_mode = None
 
+    @property
+    def device_info(self):
+        return self.coordinator.device_info
+
     @property
     def preset_mode(self):
         mode = self.coordinator.data.get("preset_mode", 1)  # Default to Home
diff --git a/custom_components/airobot_thermostat/coordinator.py b/custom_components/airobot_thermostat/coordinator.py
index 12133a9..acfc521 100644
--- a/custom_components/airobot_thermostat/coordinator.py
+++ b/custom_components/airobot_thermostat/coordinator.py
@@ -24,6 +24,15 @@ def __init__(self, hass, room, host, username, password):
             update_interval=timedelta(seconds=15),
         )
 
+    @property
+    def device_info(self):
+        return {
+            "identifiers": {(DOMAIN, self._username)},
+            "name": f"Airobot {self._room} Thermostat",
+            "manufacturer": "Airobot",
+            "model": "Thermostat",
+        }
+
     def _get_headers(self):
         """Return the headers for REST API with proper Basic Authentication."""
         credentials = f"{self._username}:{self._password}"
diff --git a/custom_components/airobot_thermostat/sensor.py b/custom_components/airobot_thermostat/sensor.py
index f07c720..1c62f96 100644
--- a/custom_components/airobot_thermostat/sensor.py
+++ b/custom_components/airobot_thermostat/sensor.py
@@ -32,6 +32,10 @@ def __init__(self, coordinator):
         self._attr_device_class = "temperature"
         self._attr_state_class = "measurement"
 
+    @property
+    def device_info(self):
+        return self.coordinator.device_info
+
     @property
     def state(self):
         return self.coordinator.data["temperature"]
@@ -47,6 +51,10 @@ def __init__(self, coordinator):
         self._attr_device_class = "humidity"
         self._attr_state_class = "measurement"
 
+    @property
+    def device_info(self):
+        return self.coordinator.device_info
+
     @property
     def state(self):
         return self.coordinator.data["humidity"]
@@ -62,6 +70,10 @@ def __init__(self, coordinator):
         self._attr_device_class = "carbon_dioxide"
         self._attr_state_class = "measurement"
 
+    @property
+    def device_info(self):
+        return self.coordinator.device_info
+
     @property
     def state(self):
         return self.coordinator.data["co2"]
@@ -74,6 +86,10 @@ def __init__(self, coordinator):
         self._attr_name = f"Airobot {coordinator._room} Heating Status"
         self._attr_unique_id = f"{DOMAIN}_{coordinator._username}_{coordinator._room}_heating_status"
 
+    @property
+    def device_info(self):
+        return self.coordinator.device_info
+
     @property
     def state(self):
         """Return the state of the sensor."""
@@ -96,6 +112,10 @@ def __init__(self, coordinator):
         self._attr_device_class = "temperature"
         self._attr_state_class = "measurement"
 
+    @property
+    def device_info(self):
+        return self.coordinator.device_info
+
     @property
     def state(self):
         """Return the state of the sensor."""