【Easy Mounting】Each switch is equipped with a pre-wired socket for easy mounting; Mounting Hole: 19mm (3/4")
【Multiple Wiring】4 wiring methods: Normal Open or Normal Closed; LED light can be always on, or illuminates when the device is working; LED Light: 5A 12V-24V DC
【High Protection】 IP66 Waterproof and dustproof; IK09 Anti-vandal rate. It can be used in wet or dusty environment; But Don't immerse the button switch in water
【Wide Applications】 A great and cool replacement of horn switch for car, marine, train, truck, boat etc.