... warranty 5.Price advantage application areas of our street light:city main road,sub-trunk roads,commericalaquare,industrial area ... or higher,goodsealing performance,waterproof,dustproof.4.all outdoor light surface electrostatic painting,the surface smooth,anti-acid,anti ... material with ss400/q235 quality steel,hot dip galvanized anti-rust treatment. with lamps:150w/ 250w/ 400wlamp socket:E40protection ...