... . Three core and four core . This stainless steel waterproof RJ45 connector, is in the original connector it with a fixed ... oriented design and manufacture of non-standard productsMaterial list: Waterproof RJ45 connector : Copper 59 and nickel plating Shell : 6063 aluminum , ... , electrical plastic sleeve, etc., only need to unscrew waterproof connectors at both ends of the, which is convenient for LED ...