... resistance and prevent ageing.2,the lamp pole is steel parts , after dealing with galvanizing and surface coating.Applications:Square, ... urban night 4 High system photosynthetic efficiency compared with HPS lamp10% , pottery outdoor metal halide lamp 30%,And mercury lamp energy-saving 150 ... t white 60wAC2206800273066Cosmopolis cpo-t white 90wAC22010450288066 AC220V ,IP65 ,High power LED courtyard lamp