The FCSL210 Step Light is ETL listed for interior and exterior wet locations. Housing and faceplates are marine grade, corrosion resistant, heavy walled, high pressure die cast aluminum construction with (2) 7/8″ KO. Lens is 1/8″ thick, tempered opal glass, heat resistant. Precision formed, reflector for maximum reflectance. Comes in Black Bronze Silver White and Custom color finishes. The Step Light finish goes through a six stage chemical pre-treatment process that includes iron phosphate, to prepare the substrate for a UV stable, super durable standard polyester powder coat. 5 year warranty available.