HP R12000 XR N+X High Voltage UPS. Weight: 190 kg. Operating temperature range (T-T): 10 - 40 °C, Storage temperature range (T-T): 0 - 25 °C, Operating relative humidity range: 10 - 80 %. LED indicators: Five modes of operation; standby, operate, bypass, battery, and redundant. Relative humidity: 5 - 95 %