12mm Momentary Push Button Switch High Round Head Stainless Steel 1NO 12V Item dimensions L x W x H: 1.57 x 1.18 x 0.39 inches Ideal for customizing automobiles, motorcycles, and control equipment switches. Includes 2 brand new silver stainless steel ring LED pushbutton switches. LED voltage: 12V only. Required mounting hole size: 0.5 inches (12mm). This is a 12mm momentary push button switch: press and hold to turn ON, release to turn OFF. Contact configuration: 1NO (Normally Open). Rated for an electrical life of 200,000 operations and a mechanical life of 1,000,000 cycles. Constructed from high-quality metal with an IP65 waterproof rating, making it suitable for use in damp or dusty conditions.