Compact & light weight Pure sine wave output High efficiency Voltage overload protection Low battery alarm / shut down Automatic switch Technical Data: Continuous power 1000W Surge power 2000W Input volt 12/24VDC Output volt 110/120/130VAC/220 / 230 / 240VAC Frequency 50 / 60Hz Efficiency >85% No load current draw <0.4A LED indicates volt & load LED indicates In/Output voltage LED indication LED indicates output power Output waveform Pure sine wave Automatic protection Overload,Short circuit,Overthermal ,Fuse ,Owe/Over volt, Cooling mode Fan.