SATCO NUVO'S S11864R1 Fire Rated Recessed Downlight is engineered for fire-resistant ceiling construction and certified for 2-hour fire protection when installed in most floor-ceiling assemblies, including UL Designs L505, L511, L536, L538, L541, L556, L577, M500, M510, M521, and M543. This 4 in. flat lens low-profile luminaire delivers 820 lumens at 10 watts, replacing a 60-Watt incandescent, and features a slim housing compatible with fire-rated ceiling assemblies up to 2 3/8 in. thick, with a red-painted back housing for rapid inspection identification. Operating at 120 volts with phase-cut dimming, it provides consistent, high-quality illumination with integrated fire-safety performance for residential, multi-family, and commercial installations. Color: White. Material: Steel.