They come with mounting accessories for fitted installation, as well as an E26 base adapter for use with existing accessories. Install the accessory directly on your roof for instant light without blinking with attenuation capabilities (100% -10%) to adapt to any mood or decoration. It provides instant bright light in several color temperature options (3000K, 4000K, 4500K, 5000K, 6500K) to adapt to the appearance and sensation of your space. Turn your wall switch to activate the illuminated edge nightlight mode and provide a smooth 2000 K amber shine when you need it most.