Brilliance Black Diamond Brass Directional Up Light, No Bulb (BD-DL-ECO-MR16-BK-NL)Uplighting, Grazing, Backlighting, and Wall Washing Finish Black Brass Baked Enamel 10 year warranty Includes Glass Convex Lens, and Mounting Stake The Black Diamond (Brilliance Eco Series) Directional Light is designed for immediate installation. It features a glass convex lens to prevent water accumulation. The spun brass construction boasts a baked enamel finish, and the design incorporates two O rings to reduce water and condensation intrusion.