... laptop, camcorder, the Internet, GPS, camera, PDA, cell phone, mobile DVD, audio, battery charger, printers, monitors, game consoles, trucks, etc ... Output voltage, Frequency, Socket type, Protection functions(Low battery voltage, over battery voltage, lack-voltage alarm. Protections:short circuit, overload ... do my best to help you. 500 watt 12 volt DC to 220 volt AC inverter, Power Inverter, Inverter