Features: 1.Heavy duty push?button momentary switch, used in circuits to issue start or stop commands to control the on and off. 2.Can be used to control the start of horn or engines, dust and moisture resistant, durable to use. 3.Single pole, single throw button switch, pure brass contacts for quick response. 4.12V DC 50A push button, wide application, suitable for automotive, marine, boats, etc. 5.Adopts high quality ABS+aluminium alloy material, long service life that can stand 10000 times presses. Specification: Item Type: Push Button Switch_x005f_x000D_ Material: ABS + Aluminium Alloy_x005f_x000D_ Screw Terminals Material: Brass, Nickel Plated _x005f_x000D_ Color: Black+Silver_x005f_x000D_ Type: SPST(single pole, single throw)_x005f_x000D_ Voltage: 12V DC_x005f_x000D_ Current: 50A_x005f_x000D_ Recommended Mounting Hole: Approx. 0.625in(5/8in) _x005f_x000D_ Maximum Panel Thickness: Approx. 0.500in (1/2in) Without Boot; 0.312in (5/16in) With Boot_x005f_x000D_ Life:10000 Times Presses (Factory Tested. Minimum Press Test > 10000 times) PackageList: 2 x Horn Engine Start Switch Note: Please disconnect negative battery cable before installation.