1) It can convert DC 12V into AC 220V/50Hz， and USB output is DC 5V 2) It can widely used in all kinds of electrical equipment， such as mobile phone， TV set， fanner， digital equipment 3) It is the best choice for your self-drive， field work， entertainment 4) Input voltage: 12V DC 5) Output voltage: 220V AC 50Hz 6) USB output: 5V 0.5A 7) Power rating: 150W 8) Max power: 200W 9) Low-voltage 10-11V Over-voltage 15-16V 10) Over-load protection: >150W