diff --git a/src/thermostat/sensor.py b/src/thermostat/sensor.py
index 3427711..da341bd 100644
--- a/src/thermostat/sensor.py
+++ b/src/thermostat/sensor.py
@@ -27,11 +27,20 @@ AVAILABILITY_TOPIC = f"{TOPIC}/availability"
 I2CPORT = 1
 SENSOR_ADDR = 0x77
 
+DEVICE = {
+    "manufacturer": "Dustin C. Hatch",
+    "name": "RPi Thermostat Display",
+    "model": "RPi Thermostat Display",
+    "identifiers": [
+        os.uname().nodename,
+    ],
+}
 
 SENSOR_CONFIG = {
     "thermostat_temperature": {
         "device_class": "temperature",
         "name": "Thermostat Temperature",
+        "device": DEVICE,
         "state_topic": TOPIC,
         "availability_topic": AVAILABILITY_TOPIC,
         "unit_of_measurement": "°C",
@@ -40,6 +49,7 @@ SENSOR_CONFIG = {
     "thermostat_pressure": {
         "device_class": "pressure",
         "name": "Thermostat Pressure",
+        "device": DEVICE,
         "state_topic": TOPIC,
         "availability_topic": AVAILABILITY_TOPIC,
         "unit_of_measurement": "hPa",
@@ -48,6 +58,7 @@ SENSOR_CONFIG = {
     "thermostat_humidity": {
         "device_class": "humidity",
         "name": "Thermostat Humidity",
+        "device": DEVICE,
         "state_topic": TOPIC,
         "availability_topic": AVAILABILITY_TOPIC,
         "unit_of_measurement": "%",