1. This product is suitable for professional racing. 2. He was used in many general vehicles. 3. Currently, more and more people are using this combination switch. modified speed racing, and it is easy to change. install. 4. Can be used as a switch for various additional electrical equipment inside and outside outside the car. (Such as critical lights, chassis lights, fog lights, dome lights) Product Details LED Color : blue DC 12V 20A Style: on/off switch rocker Electrical life: 10,000 cycles Screw hole 12mm Scope of delivery: 4 car switches