car inverter Direct Plug-in,Modified sine wave USB output port,Micro Chip Technology Overload Indicator,Cigarette lighter ... is fit for car and other vehicles; 2, Modified sine wave output waveform; 3, Battery Saver function; 4, Anodized aluminum case ... No-load current0.15A0.15AAC output frequency60HZ50HZAC output waveformModified Sine Wave Efficiency>90%>90%DC input voltage range10.5-15V10.5 ...