This is a small size metal shell car power inverter, it can change DC 12V into AC 220V for supplying power to any household appliances in the car. It can bring lots of convenience to you when travelling or working in car. What’s most important, it is very safe for you as its overvoltage、undervoltage、overtemperature and overload functions. Make sure the total power is no more than 150W, and put the cigar lighter contact to the plug well. Features: 1) Input voltage: DC 12V 2) Output voltage: AC 220V 7) Small in size 8) Can change DC 12V to AC 220V 9) don’t need to refitment car 10) Applied to digital cameras, laptop computers, MP3 players, electronic shavers, cellphone chargers, etc. 11) Be convenient to users especially in travels or working in car.