High converting efficiency. It converts a voltage of 12Volts of direct current into an alternating current of 220Volts. Overload and overheat protection, overheat protection.Voltage converter to the world standard. Under voltage shutdown protection Provide 300W of AC power. low / high battery cut off. Automatic thermal shut down. Safely shuts down if under overheat or overload condition. Advanced chip technology, high conversion efficiency. Intelligent cooling fan system, CPU microprocessor to realize multiple protection. Protect the electrical and automotive circuits in use. Can be operated with your car cigarette socket or direct connected with wires clips. Adapting Aluminum Alloy case, antioxidant, sturdy and durable. Input voltage: DC 12V Output voltage: AC 220V±10% Output frequency: 50/60HZ±3HZ Output waveform: Modified sine wave USB output: 1*USB 5V/2.4A (Total) Over heat protection: 65℃ Low Battery cut off : 9.7v High Battery cut off:15v Unload current: Less than 0.4A Conversion efficiency:Greater than 85% Continues AC Output Power: 300W / 500W Peak power:500W / 1000W Impotant Notice Check the voltages of your battery: 12 volts (take into account that it is only for 12 volts not 24V) - compatible with electronic equipment, laptop ... etc. Switch off or remove the switch before leaving the car to conserve battery power. Please note that the cooling fan emits a little noise when operating the unit. Use your 220V devices on a 12V source only Type: Power Inverter color:Silver Material:Aluminum alloy Package Contents: 1 x Power Inverter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.