Description: Easy setup. All you need is a 12mm hole and the switch will sit in nicely;no more square cut outs. Our switch comes with a kyhole slot to prevent unwanted rotation SPST 2 pole design (On/Off) 3rd poles with LED to be connected to earth,LED light when turned on. It can work in any car and anything with a 12 Volt DC source. Fitment for 12V motorcycle, car, boat headlamps, fog lights, work lights and other switches. Specification: Working voltage: 12V Rated current: 30A Switch pin: 3PIN Hole diameter: 12mm Size: approx 31*11*40mm Light color: Blue LED light Package Includes: 5 PiecesRound Toggle Switch