... galvanized 5.Mode of switch: hand control,time control and microcomputer control. 6.light source: 6-24*400W ... ,Ports,Airports,Stadiums, Highways,Container yards,Parks Town square,railway stations,docks,freight yard,highways,stadiums,flyovers,etc ... light,light uniformity, glare small, easy to control and repair materials description 1.by the poles for the ... 400w HPS high mast light for airport and square