TR21-WKU

TR21-WKU Honeywell - Wireless Wall Sensor Kit, Sensor and Receiver, 45-99 Degree Sensor Operating Temperature, -40-150 Degree Receiver Operating Temperature, 55-85 Degree Setpoint Temperature Range, 5-95% RH Non Condensing Operating Humidity Range, Wall Mount, 20-30Vac/Dc Receiver Voltage, 300' Open Range, 2.4 GHz Radio Frequency