Features: 100% brand new and high quality. It is made of high quality metal material, firm and durable in use. This metal button switch has the function of waterproof and automatic reset The shell is made of brass plated nickel and the contact part is silver alloy, with great electric conductivity. Widely used in entrance guard, various additional electric equipment, relay, inside or outside the car or any circuit controls. Specifications: Material: nickel plated, silver alloy Type: Self-reset, press: ON, loosen: OFF Waterproof level: IP65 Type: flat head, convex head (Optional) Rated current and voltage: 2A 250V (flat head), 3A 250V (convex head) Mounting hole: 16mm / 0.63in Weight: Approx. 56g Package included: 5 x Metal Push Button Switch 5 x Circle Package List 1100% brand new and high quality 2It is made of high quality metal material, firm and durable in use 3This metal button switch has the function of waterproof and automatic reset 4The shell is made of brass plated nickel and the contact part is silver alloy, with great electric conductivity 5Widely used in entrance guard, various additional electric equipment, relay, inside or outside the car or any circuit controls