Honeywell FBA C7189R1004 Wireless Indoor Sensor - White C7189R1004/U
Small remote sensor matches any room decor.This sensor monitors temperature and humidity in any indoor location and transmits it wirelessly to the thermostat. Honeywell FBA C7189R1004 Wireless Indoor Sensor - White This Honeywell Indoor Sensor is to be used with ComfortNet Thermostats to dispense temperature and humidity information to the thermostat. Factory calibrated no field calibration needed.