... high pressure metal halogen lamp.2.Lighting protection level:IP553. Electric box protection level:IP444.The frame of lamp board is ... made of high-quality steel, hot-dip galvanized5.Mode of switch: hand control,time control and ... square,railway stations,docks,freight yard,highways,stadiums,flyovers,etc. 2013 hot sell the 30m high mast light with Q235