Jqworkland Black 5v 2.1a Usb Phone 12v Motorcycle Handlebar Handle Bar Clamp Charger Power Port Socket Set Easily installed in any 12V motorcycle, ATV, Boat or car, Great add-on kit for motorcycle & ATV Connect the red wire to the brass post & connect black wire to the silver one With fuse built-in the red wire for safety Can be used as GPS charging, cell phone charger, Car MP3 power supply, car vacuum cleaner, car tire