Small Waterproof Tactile Switches Mitsumi Small Waterproof Tactile Switches feature ultra-small switches with IP68-rated dust and water ingress resistance. The switches have a highly reliable thin design with a good click feel via the actuator. The tactile switches offer a 15VDC voltage rating with a 500mΩ to 1Ω contact resistance range. The Mitsumi Small Waterproof Tactile Switches are ideal for electronic and outdoor applications, including smartphones, digital cameras, gaming devices, wearables, and harsh environment equipment.