The FCSL542 Step Light is UL & cUL listed for interior and exterior wet locations. Housing and faceplate are corrosion resistant, heavy walled, solid die cast aluminum construction. Lens is thick, clear polycarbonate. Reflector is precision formed semi-specular aluminum for maximum reflectanceComes 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 limited warranty on FC Lighting fixtures.