... mini car power supply .car power inverter Purpose:for play MP3,Play MP4,Charge up cellphone ,Digital camera,DV vidicon,Palm computer ,CD/DVDetc ... - input voltage:10V-15V/20V-30V -output voltage:110V or 220V -output frequency:50HZ or 60HZ -Delivered power ... of automobile to 220V/50HZ AC,and its output rated power is 75W product features:*streamlimed,ultra slim appearance design* ...