Humidity/Temperature Transmitter Model No :- RHP-3D2F POWER : 15-35 VDC, 15-29 VAC Item Category : HVAC Sensors Subcategory : Humidity Sensors Series : RHP Application : Duct Input : 15~32 VDC;15~29 VAC Output : 0~10 VDC Humidity Range : 0 to 100% RH Temperature Sensor : Yes Temperature Range : -40~140 deg F Approvals : CE