Donxin USB 1200W Car DC 12V to AC 220V Power Inverter Boat Converter Electronic USB Port 1. Power inverter has 1200W durative output power, Max Twinkling power up to 2400W, with DC 12V to AC 220V boost function, connected with cigarette lighter socket 2. Output Voltage: AC220V 50Hz USB5V Input Voltage: 10~15V 3. Universal socket design, suitable for all electrical connection, and also can convert DC into universal 220V AC directly, widely used in appliances 4. Buit-in cooling fan to avoid overheating, so that can extended Using life of inverter Input & Output fully isolation, Continuous power output 5. WIth Low voltage or high automatic alarm function (Undervoltage alarm:10.4~11.0V / Shutdown over-voltage:14.5~15.5V), quick & safe operation