The car inverter utilizes the 12V power supply from the car cigarette lighter to convert it into 220V/110V (customizable 110V/230V/240V) power supply, providing power for office, communication, entertainment equipment and other devices that use 220V voltage. It is a common tool for driving out for business or travel. Plug this product directly into the cigarette lighter socket, and the 12V DC power in the car will be converted into the commonly used 220V AC power. It is widely applied in various electrical devices, such as Mobile phones, laptops, electric lights, cameras, video cameras, small TVS, razors, music CDS, MDS, video DVD players, fans, humidifiers, air purifiers, battery chargers and other electrical appliances with power or connected to 12V batteries with clip wires to convert mains power to within 300W. It is a spare item for car enthusiasts, white-collar workers, field workers, tourists, mobile office workers and special-purpose vehicles.