精密浇铸铝灯体. 12mm钢化玻璃, 均匀承受力为2000kg. 铜质镀镍防水电缆锁, 硅胶密封圈, 耐温250度. IP67, 电器一级绝缘. aluminum delicate-cast lamp body. tempered glass, thickness: 12mm purely even surface; waterproof. nickeled copper joint; special silicon-rubber packing washer; embedded stainless steelscrew nut; external connection box. IP67, class I insulation.