The FCSL110 Step Light is U.L. listed for interior and exterior wet locations. Faceplate is marine grade 316 stainless steel. Housing is marine grade, corrosion resistant, heavy walled, high pressure die cast aluminum construction with (2) 7/8″ KO. Lens is 1/8″ thick, heat resistant, tempered white glass. The brick light fits perfectly into any standard brick masonry. The louvered faceplate moderately lights the surface. Add elegance and longevity to your walkway or stairwell with a long lasting stainless steel fixture.