... 2.Lampshade:tempered glass 3.Aluminium material,fastener screws and stainless steel nuts. Technical parameter 1.Light source:400W-1000W High ... .2.Lighting protection level:IP553. Electric box protection level:IP444.The frame of lamp board is made of high-quality steel ... ,railway stations,docks,freight yard,highways,stadiums,flyovers,etc. 25m the high mast light with 400w HPS