... , Battery Life: 6-12 months5, Sensing Element: NTC6, Operating Temperature: 0~457, Storage Temperature: -20~558, Operating Humidity: 5~90%9 ... Supply: 230Vac 10%, 50/60Hz2, Output Rating: 24-230 V ac, 0.8A run, 5A inrush3, Wire Access: From the rear (wall ...