Honeywell #C7189R1004, RedLINK Enabled Wireless Indoor Air Sensor - Wireless
Overview:
The Wireless Indoor Sensor(s) is used to change the sensing location of the thermostat. Sense temperature and humidity remotely, average temperature, and humidify and dehumidify in separate locations.
Features:
Used to sense temperature if the thermostat is installed in a poor temperature sensing location.
Small remote temperature sensor to match any room decor.
Easy to install and use.
Factory calibrated; no field calibration required.