5000K, 650 LUMENS Integral dimmable driver Recessed mount into 4″ housing. Includes medium base socket adaptor for easy retrofitting in 4″ recessed housings Quick connector is compatible with dedicated LED housings Nora specified and designed precision-molded lens for optimal lumen output and even distribution. The white polymer lens diffuser evenly distributes the light. Onyx Retrofit Series is suitable for use with most 4″ recessed housings. Die-cast aluminum construction provides clean sharp edges. Deep regressed optics and round aperture delivers even and glare-free illumination. Available in multiple color temperatures and 90+ CRI.