GU10 15w Ar111 spot lights, Day Light 4000kk, Dimmable with your dimmer switches LED replacement for traditional GU10 narrow angle spot light bulb Replaces 120W incandescent, while only consuming 15W of power Super bright, energy efficient, long lasting, and saves money ,Long life of 50,000 hrs No UV, IR or other deleterious radiation, no deleterious material