Uses the 12V power supply of the car cigarette lighter to convert into 220V/110V power supply to provide power for the equipment using 220V voltage such as office,communication and entertainment equipment.It is a regular tool for driving out for business and tourism.Plug this product directly into the cigarette lighter socket of the car, and the 12V DC power on the car will be converted into the 220V AC power normally used.It is widely used in various electrical equipment,such as mobile phones, laptops,cameras, cameras,small televisions, razors, music CDs,MD,video DVDs, fans, humidifiers,air fresheners,battery chargers and other electrical appliances with power consumption less than 150W.Car families,white-collar workers, field work,ltourism,mobile office,and special vehicles have successfully solved the problem of electricity in the car.