Yakamoz 12mm 1/2" 3V Led Light Metal Self-locking Latching Push Button Switch Industrial Boat Car DIY Switch Black (Blue Ring) Great for Electric Switch, Relay, Power Button Switch, Critical Lights, Chassis Lamp, Fog Lamps, Door Switch, Led Switch or any circuit controls on over 500,000 cycles. Mounting Hole Size: 12mm, Switch Rating: 2A/36VDC, Switch Combination : 1NO1NC Operation Type: Latching/ Self-Locking [Push it - ON, push it again - 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.