Small remote sensor matches any room decor.
Installation is quick and simple. This sensor monitors temperature and humidity in any indoor location and transmits it wirelessly to the thermostat. Honeywell FBA C7189R1004 Wireless Indoor Sensor - White C7189R1004/U Condition: New Hub Included: Not included Dimensions: 1.Honeywell FBA C7189R1004 Wireless Indoor Sensor - White C7189R1004/U You can set the system to monitor temperature at the thermostat or at the sensor location or use an average of both to optimize comfort throughout the home.