Uninterruptable Power Supply(UPS) Product:High Frequency On Line UPS(1kVA~3kVA) Rated power:1kVA/0.7kW,2kVA/1.4kW... ... 7kW2kVA/1.4kW3kVA/2.1kWInputNominal voltage220VAC (or 230/240 VAC)Voltage range118~300VACFrequency range46~54Hz(default).user adjustable ... vice versaLED indicatorsStatusLoad level/Battery level, Battery, Utility power,Inverter,Bypass,Overload,FaultAudible alarmBypass, On battery mode, ...