URTONE Momentary Push Button Switch, UR123, 1NO SPST DC/AC 36V 2A Aluminum Alloy Metal Shell Suitable for 12mm 1/2" Mounting Hole - Black Momentary Type: Push and Hold - ON, Release - OFF Mounting Hole Size: 12mm, Switch Rating: 2A/36VDC, Switch Contacts: 1NO Easy to Install: Screw clamp type terminals, don't need to solder IP65 Waterproof and IK08 Protection: Rustproof, can be used in wet or dusty environment Used widely: For Horn Button Switch, PC Power Switch, Kill Switch or any circuit