Steel 200 led underwater light 145w 3000 4000 5000 k ip68 beam angle 50 the casing including the closing ring of the led underwater light is made of aisi 316l stainless steel particularly corrosion resistant the cover plate is made of 12 mm thick highly transparent hardened glass which allows maximum transmission characteristics the special ip68 full dry construction allows this spotlight to be used underwater where a special seal prevents condensation forming ins