New 12V Motorcycle Car ATV Cigarette Lighter Power Socket+BlackUSB Port Charger Adapter Barrel inner length:3.0cm/1.18" Barrel inner diameter:2.2cm/0.87" Wiring kit for cigarette lighters to install in any 12V motorbike, ATV, Boat, Riding mower, tractor or car.Give A GPS, Mobile Phone, Camera, Mp3, Etc With Electric Equipment For Power Supply Cigarette Lighter USB Port Voltage:12V