... Sine Wave Inverter 4.USB & LED Power InverterPower inverter, modified sine wave power inverter, modified power inverter, pure sine wave inverter, ... USA Type)Key Specifications/Special Features:Continuous power: 4,000W Maximum power: 4,100W Peak power: 8,000W Output waveform: modified sine ... output waveform Pure Sine Wave Waveform distortion THD<2%(Linear load)Efficiency>88%>90%>92%>88%>90%>92%DC ...