ENERGY STAR® certified. 2700K, 3000K, 3500K, 4000K, 5000K, 90 CRI. Retrofits existing 5'' or 6'' housings with screwbase adapter included. Use with Halo 5'' and 6'' LED housings - new construction and remodel. Dimmable. Torsion spring adjust for housing size, holds trim securely to ceiling. Damp location and wet location listed, shower rated. AIR-TITE™ rating makes housings air tight. Meets NFPA requirements for use in closets