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 / 12W Color Temperature: 2700K Color Rendering Index: 90 CRI Beam Spread: 10° Spot (fixed) Finish: Black Pinhole / Black Flange Listing: cULus listed for damp locations Accessories: NIO-AS, NIO-HC, NIO-FMMR-4R