Description: Mounting Hole Size: Φ16mm (5/8 Inch),Switch Combination : 1NO1NC Operation Type: Latching/ Self-Locking [Push it - ON, push it again - OFF] Ring LED can be on all the time or only when switch is on which depends on how you wire it. Waterproof, dustproof, fireproof and high temperature resistance, can be used in wet or dusty enviroment. With the wire connector, you don't need to solder the terminals, make installing very easy. Great for electromagnetic starter, relay, horn button switch, PC power switch or any circuit controls. Specification: Head Shape: High Head Body Material: Stainless Steel Button Material: Stainless Steel Mounting Cut Hole: 16mm Lamp Type: Ring Illuminated LED Voltage: 12V-24V Degree of Protection: IP65 Rated Current: 5A Insulating strength: 2000V AC Insulation resistance: ≥1000M Ω Pins: 5 Operation Pressure: about 2.5~4N Mechanical Life: 500,000 cycles LED Life: 40,000 hours Package Includes: 1 Piece Push Button Switch with LED 1 Piece Wiring Socket Plug Adapter