A19 LED light bulb with a medium base. Features an integrated dusk to dawn sensor. The sensor automatically illuminates the bulb at dusk and turns it off at dawn to help save energy. Shows natural colors with a color rendering index of 90. Also features EyeComfort technology which is designed to be comfortable on your eyes, with no visible flicker or glare. Lifetime 13.7 years (based on 3 hours per day).