... WaveformTrue Sine WaveHarmonics Distortion<3% (Linear Load,Full Load)/<5%(Non-linear Load) Crest Factor3:1Power Factor0.7BATTERYTypeSealed ... %IndicatorsLCDVFD/LCD Indicator StatusInput/Output Voltage,Frequency,Output Power,Battery,Utility,Inverter,Overload,Fault,BypassCommunication PortRs232/USBInterfaceMonitor ... 50 32.00 79.00 85.00 Single Phase Online & Sine Wave Uninterruptible Power Supply(UPS)