Cree Lighting PAR20 LED bulbs are engineered to work better and last longer. Ideal for use in track lighting or 4-inch recessed cans, the focused light provides exceptional color quality, making the colors in your home appear vibrant, rich & natural. Designed to last more than 22 years (25,000 hours), Cree Lighting PAR20 LED bulbs are dimmable and backed by a worry-free 100% performance satisfaction guarantee.