DC 1pc 12V 25mm Stainless Power LED Car Push Button Switch Latching ON OFF Waterproof. (Red LED) Stainless Steel Latching Push Button Switch This push button switch is suitable for 25mm diameter mounting hole. Used widely for circuits control in electromagnetic starter, contactor, relay and other electric circuits. Latching type: Push it -- on, push it again -- off Brand Trademarks: DC , Record Number: 86526328, more details, please check by uspto gov.