... Indicator,Cigarette lighter C Products Feature 1, It is car inverter that is fit for car and other vehicles; 2, ... to avoid damage the equipment; 6, Inverter will automatically shut down if load exceeds inverter rating; Reverse connection protection, etc 7 ... 15AAC output frequency60HZ50HZAC output waveformModified Sine Wave Efficiency>90%>90%DC input voltage range10.5-15V10.5-15VLow Voltage Alarm10. ...