... for DVD, electronic game machine, etc 4.Manufacturer DC to AC power inverter DescriptionInput voltage:12V DC Output voltage:220V AC Output frequency ... :black NOTE: The inverter can convert 12V DC of automobile to 220V/50HZ AC, and its out put rated power is 500 W ... , Emergency lighting, Electric fan, Electric blanket. Package Include:1 x Power Inverter (as show a picture)