铸铝合金壳体,表面喷塑。                                                           The shell is of diecasted A1-alloy with plastic-sprayed surface.
钢化玻璃罩，具有较强的抗冲击能力，并有红，黄，         The enclosure is made of toughened glass with well impulsion-withs-
蓝等我咱颜色可供选择。                                                                   tanding,and its color can be freely ｓｅｌｅｃｔde.
钢管或电缆布线均可。                                                                  Suitable for steel pipe and cable wiring.
符合GB3836-2000，IEC60079标准要求。