Latching: Press the button--ON, Press the button again--OFF; Electrical life: 100, 000 times, Mechanical life: 500,000 cycles Mounting Hole: 22mm(7/8"); LED Light: 5A 12V-24V Halo Ring Blue; LED life: 40, 000 Hours 4 wiring methods: 1NO 1NC; LED light can be always on, or illuminates when the device is working; 5 brass terminals are connected to the pre-wired socket, No need to solder which makes your operation much easier Protection Degree: 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 Usage: Suitable for car, computer, instrument and meter industry, door bell, home appliance etc.