C7189R1004/U Honeywell Wireless Temperature and Humidity Sensor

Honeywell Wireless Temperature and Humidity Sensor, 35 to 114 deg F, 5 to 90% RH Non-Condensing Humidity Rating, Wall Mounting, Arctic White, 2-7/8 in H x 1-7/8 in W x 15/16 in D, For Use With: Redesigned Prestige® IAQ, Prestige® IAQ 2.0, Prestige® 2.0 and All New RedLINK™ VisionPRO® 8000 Thermostats