Cree 18-Watt (100W)"2-Pack" Daylight (5000K) LED A21 Light Bulb A 100W equivalent bulb that produces 1600 lumens using only 18W NO toxic mercury or lead; Safety coated glass for shatter resistance Dimmable with most standard dimmers. Patented "Filament Tube" design and frosted glass create the soft natural glow of a typical bulb. 10 year warranty from CREE - A US company that's the world leader in LED technology and design