... and frequedcy are equal to 50Hz., such as mobile telephone, portable computer, electric light, digital camera, vidicon, TV, electric tool, CD ... as laptop, PC, TV, DVD player, battery charger, video camera, portable stereos, etcWith USB power socket for charging your iPod, MP3 ... are AC 220V and frequedcy are equal to 50Hz. 150W DC 12V 24V to AV 110V 220V Car power inverter