A4126 series waterproof push button switch, protection degree reach IP67, installation size is 12mm. According to the material, it has metal push button switch and plastic push button switch. All the switches has self-locking and momentary two differentkinds. If equip with LED light, colour can be customised based on the customer's request. It widely used in beauty equipment, small yacht, lamps, medical equipment, military communication intelligent network equipment and the other instruments.