Widely used with electric equipment for power supply: Vehicle， GPS， mobile phone， camera， mp3 (cannot smoke)Wiring kit for cigarette lighters to install in any 12V motorbike， Boat， Riding mower， tractor or car.Barrel inner diameter:2.2cm/0.87"Barrel inner length:3.0cm/1.18"Cord Length:6.7cmVoltage:12VColor: Red，blue，orange，green.Package including:1 x Lighter Socket Plug2 x Connector wire1 x Lighter