Momentary pushbutton switches may be used in a variety of applications including cars, motorcycles, boats, computers, LEDs, and electronics projects. Use them as a power switch for your computer, a boat horn or starter switches for cars, trucks and automobiles, and other applications in which temporary activation of an electrical current is desired This switch has a protection rating of IP67 waterproof, meaning it can withstand exposure to heavy rain, splashes, etc., without damage Constructed of non-oxidizing, corrosion resistant stainless steel Installation: Cut mounting hole into the panel using a 5/8' drill bit. Screw the threaded 'neck' of the switch into the panel cutout hole and secure it on the reverse side of the panel with the included metal nut.