2" Iolite LED downlights require a dedicated Iolite new construction or remodel housing. Adjustable slot aperture focuses the beam spread through 1-3/4" x 1-3/8" opening. Adjustability: 30° (new construction) or 15° (remodel) Compatible Housing: NHIOICD-28. NHIOICDCP-28, NHRIOIC-28 Lumens / Wattage: 1000lm / 14W Color Temperature: 4000K Color Rendering Index: 90 CRI Beam Spread: Three field changeable optics included Finish: Matte Powder White Aperture / Matte Powder White Flange Listing: cULus listed for damp locations Accessories: NIO-AS, NIO-HC, NIO-FMMR-2R