Modified sine wave inverter, high stability & precision, various voltage & power range, CE,E-MARK,FCC,EMC,ROHS certificated Modified Sine Wave Inverters NBM 6000W1. Automatic ... Range60±4Hz50±4Hz60±4Hz50±4HzMax Outer Temperature<650C<650CMax Power Efficiency>85%>85%High Voltage Cut Off Level15.5± ... )mm691x230x155691x230x155Weight (kg)12.5012.50Input VoltageDC 12VDC 24V Modified Sine Wave Inverter