This is a perfect choice if you are in need of a heavy duty push button! These aluminum alloy push buttons are a very tough, small, momentary . Resettable operation type, and the mounting hole size is 16mm, to use. Features -Color: Yellow. -Material: Aluminum alloy, rubber. -Size: About 3.70X2.20X2.20cm/1.45X0.86X0.86in. -Note: Random Color of the rubber ring - Made of material, heavy duty, good toughness, to use. - Suitable for reset , also great for horn button and other applications. - Creative head shape, comfortable hand feeling, convenient and portable to use. - The reasonable structure design enables it to help you easily use and bring you convenience. - Easy to install, simple and practical, can better help you save installation time and effort. Specification: Light Color: Yellow. Light source type: LED Lamp voltage: 12V/24V. Installation size: 16mm. Contacts rated working current: 3A Working environment temperature: -20~+55 Working voltage: 250 (V) Working current: 3 (A) Contacts resistance: <=50m () Insulation resistance: >=1000M (M) Head protection level: IP67 Operating temperature: -20~+55 ( degree centigrade) Package list: 1 Button 1 x rubber ring