Item Type:Push Button Switch;Material:Nickel Plated Brass;Switch Combination:1 NO 1 NC. Operation Types:Self-reset/Self-locking.Stable and reliable performance,long service life. Nickel plated brass shell,with mirror effect.Economical, waterproof and dustproof. Hard and small button switch,simple operation,easy to install and disassemble. Widely applied for all kinds of modifications such as car, motorcycle,computer,access control; home appliance;industrial control instrument,etc. Specification: Product Name: Push Button Switch Material: Nickel Plated Brass Overall Size: 35.2x17.9mm/1.39x0.7inch Mounting Hole Diameter: 16mm/0.63inch Panel Thickness: 1~10mm/0.04~0.39inch Switch Combination: 1NO 1NC Rating: 3A/250V AC Head Shape: Flathead Terminal Type: Welding feet Contact Resistance: 50M Insulation Resistance: 1000M Ambient Temperature: -20~55 Mechanical Life: 500,000(cycles) Electrical Life: 50,000(cycles) Prtection Level: IP67,IK08 Package Includes: 1 Piece Push Button Switch