Continuous power : 120W Peak power :240W Input voltage : DC 12V Output voltage :AC110V +/- 10V Frequency : 60Hz +/- 3Hz USB output : 1 USB 2.1A Modified sine wave AC Socket : US socket*1 Optional:sockets according to the different market . Multiple protection functions : low voltage, over voltage, overload, over temperature, short circuit, reverse connection, etc.