The FCSL207 Step Light is U.L. listed for interior and exterior wet locations. The faceplate is marine grade stainless steel. The housing is made of marine grade, corrosion resistant, heavy walled, high pressure die cast aluminum construction with (2) 7/8″ KO. Lens is 1/8″ thick, tempered heat resistant opal glass. Precision formed, reflector for maximum reflectance. No need to treat the finish of this product, the long lasting stainless steel finish will add elegance and longevity to your walkway or stairwell. The brick fixture is ideal to include in any masonry structure.