Low power LED step light Housing: 12#die-casting aluminum RAL9007 grey powder coated, T=60-80um Adhesion of ISO class 1/ASTM class 4B Front cover: 304#stainless steel Glass: Step tempered glass T=6mm Waterproof cable gland: IP67 PG-9 copper and nickel coated Waterproof seal: Tooling shaped seal