Waterproof connector, just as its name implies, is can be applied to bring water environments, providing safe reliable connector connector. For example: LED street lamp, lighthouses, yacht, industrial equipment, sprinkler etc, it needs to be used waterproof connector. At present, the market with kinds of brand waterproof connector very much, but really, have good seal performance, safe and reliable quality waterproof connectors, on the market or less. One of the British art lai and BULGIN brand, relatively ideal. The Bulgin of waterproof connectors waterproof dustproof level reached IP68 standards, that is, will the connectors product place 10 meters water depth, working two weeks; Add 100 meters water depth, destroy test 12 hours, still can maintain product good performance.