Products characteristic 1.The shell is made of high-strength engineering plastic PA+GF, the lampshade adopts injection of PC, lens hood adopts good quality stainless steel. 2.The signal lights have the whole seal structure, it is waterproof under the harsh environment. 3.The signal lights use exclusive LED illuminant which accords with ship rules and reguations, More energy effi cient, longer working life. 4.The signal lights can work normally under the temperature -30℃ ~55℃ . Adopt standard GB/T 3028, MSC 253(8) resolution, THE INTERNATIONAL REGULATIONS FOR PREVENTINGS COLLISION AT SEA, 1972 and GRADE ENTRY NORMS FOR STEEL SHIPS.