1,Automatic waterproof connector 2,Electric metal connector 3,Screw couping mechanism 4,CE Certified Brand NameSaipModel ... Product Description 1,Automatic waterproof connector 2,Electric metal connector 3,Screw couping mechanism 4,CE Certified 2012 New Electric Metal Waterproof Connector Introduction:X series ... Resistance≤10mΩ≤5mΩ≤2.5mΩ≤1mΩ Specification: 2012 New Electric Metal Waterproof Connector