Latching: Press the button-ON, Press the button again-OFF; Electrical life: 100, 000 times, Mechanical life: 500,000 cycles Mounting Hole: 12mm(1/2"); LED Light: 2A 12V-24VDC Halo Ring Blue; LED life: 40, 000 Hours 2 wiring methods: LED light always on or illuminates when the device is working; Pre-soldered cable for easy wiring 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.