The dimmable LED MR16 lamp is available in color temperatures ranging from 2700K to 5000K, giving you the variety you need to find the perfect lighting for your home, office space, or a wide range of other commercial and residential applications. Beam angles are available in 25 or 40 degrees so that you can decide how wide or narrow the lighting in your space should be. Using only a fraction of the energy a traditional 50W halogen bulbs uses, your energy savings with Simply Lighting's LED MR16 is over 80%. With smooth dimming from 10-100% and up to 25,000 life hours, you’ll be able to give your space the ambiance you desire for a long, long time. This model has a GU10 base.