The Keystone Technologies KT-WDLED11-F4A-9CSF-FDIM is a fire-rated 4-inch circular LED slim wafer downlight delivering 11W of energy-efficient illumination with selectable color temperatures from 2700K to 5000K and 90CRI for superior color rendering. Featuring phase dimming compatibility, 120V input, and a remote driver, it installs easily in residential and commercial spaces requiring IC-rated, fire-resistant fixtures. Ideal for kitchens, bathrooms, and hallways where slim profile and selectable CCT are essential.