This Feit Electric BPMR16/GU1075930CA/3 75-watt equivalent traditional glass split reflector MR16 flood LED light bulb has a GU10 base. Featuring 3000K Bright White and high 90+ CRI (color rendering index) rating, this Enhance LED is our highest quality energy-efficient light. It offers bolder color rendering and enhanced contrast, so people and objects appear more vibrant with true-to-life color. This MR16 reflector produces a similar light 600-lumen output while using up to 90% less energy than a standard 75-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 safe for indoor or outdoor use. The estimated annual energy cost is only $0.84/year per bulb (based on 3 hours per day of use). Choose a dependable high quality 120-volt MR16 bulb for residential or commercial applications.