SATCO NUVO's LED CCT Selectable 4 inch High Lumen Retrofit Downlight will elevate the lighting in any space. Designed with impeccable 90 CRI color rendering, you can make your space brighter while saving energy with this 1,100 high lumen LED downlight. This retrofit includes an E26 adapter making it the perfect upgrade to replace existing screw base lamps in downlight applications or purchase an optional GU24 socket adapter for use with pin-based fixtures. Featuring a smooth baffle design and your choice of five CCT options at installation, this retrofit downlight will illuminate all of your spaces with ease and elegance.