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 resetThe 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 alloyType: Self-reset, press: ON, loosen: OFFWaterproof level: IP65Type: flat head, convex head (Optional)Rated current and voltage: 2A 250V (flat head), 3A 250V (convex head) Mounting hole: 16mm / 0.63inWeight: Approx. 56g Package included: 5 x Metal Push Button Switch 5 x Circle.