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: 650lm / 12W Color Temperature: 3500K Color Rendering Index: 90 CRI Beam Spread: 10° Spot (fixed) Finish: Black Aperture / Matte Powder White Flange Listing: cULus listed for damp locations Accessories: NIO-AS, NIO-HC, NIO-FMMR-2R