... weighted noise current <2%Reflected wide band noise current<10%AC inputVoltage165-283VacFrequency45-65Hz(auto sensing)InverterOutput Voltage220Vac±2%Frequency50 Hz ... (Optional)I/P & O/P Voltage, / O/P Frequency, Load, Battery Voltage, TemperatureDigitalI/P&O/P voltage, O/P Frequency, battery, loadAlarmAlarmMains failure ...