Feature: 1. Use more than 50,000 times within the rated range, meaning that the electrical life can be brought to more than 100,000 times. 2. This product can be widely used in low-current doorbells, access control, device activation and inching start switches. 3. Having installed the push button, the easy on-off switching enables easy operating as well as more security during using. 4. The metal shell is anti-corrosion, rust-proof, pressure-resistant, waterproof, and can be used in humid or dusty environments. 5. High-quality flame-retardant base is safe and reliable, which ensures safe use while adds more durability to long use. Specification: Item Type: Momentary Push Button Product Material: Stainless Steel Purpose: This product can be widely used in low-current doorbells, access control, equipment startup and inching start switches. Current: 1A Self-locking: After pressing, the button is locked, and pressing again, the button springs back to its original position. Installation Thread: M10 x 0.5 Connecting Method: Soldering Feet Contact Mode: A Normally Open Contact (Double break point slow-acting contact switch with two terminals) Electrical Life: More than 100,000 times Working Environment Temperature: -20℃~ +55℃ Mechanical Life: More than 200,000 times Electric Strength: AC2000V 50Hz/60H Protection Level: IP65, IK08 Product Length: Approx. 22mm / 0.9inNote: This product is a welding switch, the temperature of the soldering iron should not exceed 300 degrees, and the contact time should not exceed 1 second!. Package List: 1 x Momentary Push Button1 x Washer