... :15-25M 2.Lampshade:tempered glass 3.Aluminium material,fastener screws and stainless steel nuts. Technical parameter 1.Light source:400W-1000W ... of switch: hand control,time control and microcomputer control. 6.light source: 6-24*400W-1000W Sodium lamp or metal halide ... stations,docks,freight yard,highways,stadiums,flyovers,etc. high mast light of tianxiang lighting equipment co.,ltd