Honeywell C7189R1004 RedLINK Wireless Indoor Sensor, Temp and Humidity

C7189R1004 Honeywell Wireless Indoor Temperature Sensor This wireless indoor remote sensor is designed for use with the Honeywell Prestige 2.0. It can be used for temperature averaging or remote termperature sensing. The sensor reads termperature and humidity. Up to 6 sensors can be used with one unit.