Honeywell TS03C Temperature Remote SensorThe Honeywell TS03C is white with a red front-panel LED that flashes once when temperature data is being transmitted and twice when the battery gets low
Honeywell TS13C Temperature Remote Sensor with DisplayThe Honeywell TS13C is white with a red front-panel LED that flashes once when temperature data is being transmitted and twice when the battery gets low. The LCD display above the LED shows the temperature locally in your choice of °C or °F.
Honeywell TS33F Temperature/Humidity Remote Sensor with ProbeThe Honeywell TS33F is white with a red front-panel LED that flashes once when temperature data is being transmitted and twice when the battery gets low. The LCD panel above the LED shows the temperature in your choice of °C or °F and the humidity in percent. The cable and probe are white to match the remote.