Honeywell C7089R1013/U Temperature and Humidity Sensor, -40 to 140 deg F
Senses outdoor temperature and humidity to display on RedLink™ enabled thermostats and accessories.
Honeywell Temperature and Humidity Sensor, -40 to 140 deg F, 0 to 100% RH Condensing Humidity, Gray, 3-1/2 in L x 3-1/2 in W x 1-5/16 in D Dimensions, For Use With: RedLINK™ Enabled Thermostats and Accessories