... metal halogen lamp. 2.Lighting protection level:IP55 3. Electric box protection level:IP44 4.The frame of lamp board is ... Squares,Stations,Ports,Airports,Stadiums, Highways,Container yards,Parks Town square,railway stations,docks,freight yard,highways,stadiums,flyovers,etc. features ... nut 25m 400w HPS high mast light for airport and square