Alpinetech 16mm 5/8" Anti-Vandal O-Ring LED 2.8V/1.8V Momentary Stainless Steel Metal Push Button Switch Dome Top Black Casing Shallow Depth for (100/150 ohm Resistor Included for 4.2V) (Red) Momentary Type - Push & Hold ON, Release OFF Short depth - Great for MOD with limited space High IP65 Protection for used in wet or dusty enviroment. Stainless Steel material for resistant to wear and abrasion. Great for electronmagnetic Starter, relay, Horn Button Switch, PC Power Switch or Box MOD