Details: This product is a LED illuminated Rocker switch. It can work in any car and anything with a 12 Volt DC source. It has a wide range of functions. For example, it can be applied as the switches for the additional electronical equipment insideoutside the car. (such as flashing lights,chassis lights,and dome lights ) The cover and led light maybe some color difference due to photoing light and Computer screen. Features: 1.Easy setup. All you need is a 3/4"(19mm) hole and the switch will sit in nicely;no more square cut outs. 2.Our switch comes with a kyhole slot to prevent unwanted rotation 3. LED when turned on 4.SPST 2 pole design (On/Off) 3rd poles with LED to be connected to earth. Specification: Type: 23 Pins with LEDSPST: ON-OFFSize: 15 X 35mmColour:black+blue Package Contents: 5pcs LED Round Switch Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.