Product Description Inverter 1000W 12V TO 110/220V Voltage transformer Modified Sine Waves Power Inverter DC12V to AC 110v/220V Converter+2 USB . Brand Name:Â KROAKOutput Frequency:Â OtherConversion Efficiency:Â 0.9Rated Power:Â 300WInput Voltage:Â DC 12VOutput Voltage:Â OtherPeaks Power:Â 4000WOutput waveform:Â Modified sine waves |