This Feit Electric 6-watt traditional glass split reflector MR16 flood LED light bulb has a GU10 base. Featuring bright white color temperature and a high 90+ CRI (color rendering index) rating, this Enhance LED is our highest quality energy-efficient light. Bolder color rendering and enhanced contrast make people and objects appear more realistic and vibrant. This MR16 reflector produces a similar light output while using 88% less energy than a standard 50-watt incandescent light bulb. The dimmable light shines all around for even light distribution, has an average life of 25,000 hours/22.8 years, and is damp-rated for indoor or covered outdoor use. Choose a dependable high quality 120-volt MR16 bulb for residential or commercial applications.