Condition: 100% new and high quality The highly bright Blue illumination allows for easy nighttime visibility. The same size as for a standard Cigarette Lighter Slot The Engine Starter Switch allows you to start your vehicle's engine only by the installed button. This universal engine starter switch allows for installation on any vehicle. DC: 12V (Fits for all vehicles) Dimensions: Outer Diameter for the ring - 3.7 cm (Dia) / 1.46 inch (Dia) Inter Diameter for the hole - 3.0cm (Dia) / 1.18 inch (Dia) To Start Engine: 1. Use your key to turn the ignition key on. 2. Press the installed switch to start engine. Release as soon as the engine fires. 3.Two Blue Wire:to ACC Line and Start Line. Red is Postive,Black is Negtive Colour: Black + Silver Material: Plastic Package Contents: 1 x switch 1 x harness with accessories Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.