Features: 1.Made of high quality material, easy to install, no complicated tools required with simple operation. 2.Small and portable, same size as standard lighter socket, keyless start system. 3.Wide application, universal engine start switch kit allows installation in any any vehicle. 4.It comes with a safety, relax box, push the start button through the connector. 5.Made of high?quality plastic and frosted materials, which makes it durable and has a long service time. Specification: Item Type: Engine Start Switch_x000D_ Material: Plastic+Alloy_x000D_ Color: As Picture Shown_x000D_ Loop Diameter: Approx. 3.7cm/1.46in_x000D_ Hole Inner Diameter: Approx. 3.0cm/1.18in_x000D_ Weight: Approx. 149.0g/5.3oz_x000D_ DC: 12 V_x000D_ Installation Notes_x000D_ _x000D_ 1. First stop and turn off the car_x000D_ 2. Fix the start button in a suitable position. (It is necessary to avoid positions that are easy to touch by mistake, and to dig a round hole with a diameter of 30mm/1.2in)_x000D_ 3. Connect the connector of the start button to the relay box, and fix the relay box in a proper position._x000D_ 4. The black wire of the relay box should be connected to the car body metal or the negative electrode of the battery._x000D_ 5. The blue wire is connected to the wire loop ACC line behind the original car's start switch, and the other is connected to the start wire behind the original car's start switch._x000D_ 6. The red wire is connected to the power supply and the black is grounded. PackageList: 1 x Start Button1 x Relay2 x Install Loop2 x Screw2 x Manual1 x Tape1 x Nut Note: Do not press the start button again when the engine is running to avoid malfunction of the starting device