Yakamoz 12mm 1/2" 3V Led Light Metal Momentary Push Button Switch Industrial Boat Car DIY Switch Black (Blue Ring) Great for Ignition Starter, Relay, Horn Button Switch, Critical Lights, Chassis Lamp, Fog Lamps, Door Switch, PC Power Switch or any circuit controls on over 500,000 cycles. Mounting Hole Size: 12mm, Switch Rating: 2A/36VDC, Switch Combination : 1NO1NC Operation Type: Momentary/ Resetable [Push & Hold ON, Release OFF] Ring LED can be on all the time or only when switch is on which depends on how you wire it. High quality metal material & IP65 waterproof protection can be used in wet or dusty enviroment.