4" Iolite LED downlights require a dedicated Iolite new construction or remodel housing. Adjustable pinhole focuses the beam spread through small opening. Adjustability: 30° (new construction) and 20° (remodel) Compatible Housing: NHIOICD-48. NHIOICDCP-48, NHRIOIC-48 Lumens / Wattage: 800lm / 14W Color Temperature: Comfort Dim (3100K-2000K) Color Rendering Index: 90 CRI Beam Spread: Three field changeable optics included Finish: Haze Pinhole / Matte Powder White Flange Listing: cULus listed for damp locations Accessories: NIO-AS, NIO-HC, NIO-FMMR-4R