NICOR ADL4-1028-UNV-40K 4 inch 28W Architectural LED Downlight in 4000KNICOR''s architectural LED downlights are energy efficient and environmentally responsible, allowing you to light larger commercial spaces with peace of mind. The ADL offers high efficacy and exceptional color rendering, making this luminaire an ideal choice in places such as corridors, conference rooms, lobbies, and large offices. The ADL is available in a range of color temperatures with lumen options to fit any project.Size: 4"Color: WhiteFinish: SatinPrimary Piece Material: Galvanized SteelSecondary Piece Material: AluminumDimension(in): 11.92(L) x 11.78(W) x 6.16(Depth)Bulb: 28W LED, 1866 Lumen Actual, 4000K, Dimmable(Included)Recommended Bulb Type: LEDAdapter/Bulb Base: LEDCertification: UL/cUL, T24, Location Rated: DampCRI/R9 Value: 88Warranty: 5 YearsDurable galvanized steel frame, with architectural mounting bracketAluminum heat sink routes heat away from electrical componentsUtilizes high performing LEDs with 88 CRIDriver delivers full-range dimming from 0 - 10VDCExternal driver ensures steady performance and long lifespanHighly reflective optical cone and textured diffuser create a uniform distribution of lightButterfly-style architectural mounting brackets accept C-channel or flat bar hangersSatin reflector with white trim ring120-277V Input voltageProtected by NICOR''s 5 year limited warranty