... ,Play MP4,Charge up cellphone ,Digital camera,DV vidicon,Palm computer ,CD/DVDetc - input voltage:10V-15V/20V-30V -output voltage ... :50HZ or 60HZ -Delivered power :75w the inverter can convert 12V DC of automobile to 220V/50HZ AC,and its output rated ... appearance design*High quality double PCBboard,stable performance*Temperature control fan,cool and quiet*with a USB suitable for digital products ...