Power inverter 1000W: the product can converter DC 12V to AC 220V or AC 110V, it will make it convenient for you to use AC electrical power in your car. No-load draw: 0.2A Optimum efficiency: 90% Output Waveform: Modified sine wave AC output frequency: 50-55Hz Input Voltage Range: 10-15V/21-28V Output Voltage Range: 201-230V/105-115V Thermal Shut-Down: 65 degree celcius+/-5 Over Voltage ShutDown: 15.5V+/-0.5V Low voltage Alarm: 10.7V+/-0.3V Low Voltage Cutoff: 10V+/-0.3V Short-circuit protect:yes Over load protect: yes Reverse Polarity Protection: yes AC Receptacles:1from 70W to 150W, 2 above 200W 12 Volt Cigarette Lighter Plug: yes for 70W to 150W Direct-to-battery cable with clips: yes for above 200W Cooling Fan: yes Red/Green Status LED: yes