CCN-34-M is a waterproof push button switch manufactured by the Waldom Electronics company. The switch has a long-life of up to one million make-and-break cycles, and it is UL and CSA certified. The switch is 20mm in diameter and is available with either a momentary or maintained operation. It has a zinc alloy body with a gasket seal, and it can be used in a variety of applications including automotive, industrial, and HVAC. It can also be used with either 12 or 24V DC electrical circuits.