The CM4R21S07-S01 is an Ulti-Mate Connector circular connector, specifically a micro-miniature 4-way, screw coupling type. It features a robust, waterproof body with a built-in gasket to provide superior protection against dust and moisture. This circular connector is made from high-grade materials for durability, and features a convenient push-pull locking mechanism for easy, rapid assembly and disassembly. It has solder termination and a crimp contact system. This connector is rated for up to 7 A current, and is suitable for industrial and commercial applications including automotive, medical, and military.