1) With built-in IC and fuse 2) Stable current with short circuit protection 3) Input voltage: 12 - 24V DC 4) Rapid charging for mobiles phone nickel-cadmium, nickel-hydrogen or Lithiumion batteries 5) Compact and light weight 6) Different output voltages, currents and connectors for any mobile phone available 7) Different colors available 8) Various shapes available 9) Applicable to multiple types of vehicles 10) Spring design to prevent loose of the plug from cigarette lighters 11) Quality cable