1.according to the operating voltage (110VAC or 220VAC) 50-60Hz of the product， connect it  to the power supply  for use

2.（1） dual output voltage: USB interfaces parameter  DC5.0-5.5V   600mA --1000mA

   （2）cigar lighter mouth  parameter: 12VDC lighting mouth 800ma

3.With limiting current,IC,limiting voltage and short-circuit multi protection   

4 .USB output connecter(1)applied to MP3,MP4,iPo,dPSP,PDA ,iphone,cellphone and etc.charger with USB

charging connecter