... Efficiency(Line Mode)>95%Transfer switch Rating30ATransfer time ac to dc/dc to ac10ms (typical)Inverter mode ... 10~+50°COperating humidity5%~95%Audible Noise50dBCoolingForced air (Variable specd fan)Insulation1500VAC 1miaProtectionOver heat,Over loading,Short, ... Under/ Over voltageProtection ClassIP25Display LEDInverter, AC input ,Operating state,AlarmConnectBattery,AC output ,AC inputSize(H×W×D)200×120× ...