Vktech 1000W DC 12V to AC 220V Power Inverter for Auto Car Electric Appliance Adapter Output Waveform: Modified sine wave Input Voltage Range: 10.0-15.0VDC Fuse: 10A/15A/20A/40A/70A Low Battery Alarm(norminal): 10.4-11.0V Low Battery Shutdown Point(nominal): 9.7-10.3V