T9 T10 Old Version Room Sensor

Sense the temperature in any room The T9/T10 Room Sensor work with the Honeywell Home T9 and T10 Smart Thermostats sensors help provide temperature control by focusing on the important rooms in your home. The sensors have a 200-foot range that detects indoor temperature, humidity and motion and transmits back to the thermostat to deliver reliable, whole-home comfort. Add up to 20 Smart Room Sensors to your T9 or T10 system and prioritize heating and cooling to specific rooms for all home temperature control. Compatible with Series 1 & Series 2, RCHT9610WF models of T9 Smart thermostats. Series number appears after model number on sticker on back of thermostat. Compatible with THX321WF2001W models of T10. Model number on sticker on back of thermostat