Parameters: DiCUNO 6 packs GU5.3 LED bulb, MR16 glass cover, gives off 500 lumens light output in natural white 4000K; Wide beam angle 120 degrees; CRI 85; 【Non-Dimmable]】Please do not use this bulb with a dimmer. Energy-saving: The MR16 GU5.3 LED bulb use only 5W energy, emitting a more energy-efficient light; an excellent replacement for MR16 50 watts halogen bulbs, saving 90% on your electricity bill. Long-lasting Lifespan: With a long lifespan of 25000 hours, you don't bother to replace bulbs frequently. Mercury-Free, Lead-Free, No UV/IR, CE, FCC certificated, safe for the environment. No Flicker, no buzzing. Easy Installation: With a standard GU5.3 bi-pin base, the mr16 led bulb is easy to install in seconds; instant-on to full brightness. Ideal for landscape lights, recessed lights, spotlights, track lights, accent lights, etc. Worry-Free Purchases: DiCUNO always stand behind our products; if you have any question about the mr16 led bulbs or other services, please feel free to contact us, and we will try our best to answer your question and solve your problem. DiCUNO GU5.3 LED Bulb, Non-dimmable 12V MR16 Spotlight Bulb, Natural White 4000K, 500LM, 5W Light Bulb, 50W Halogen Bulb Replacement for Track Lighting, Recessed Lighting, 6 Pack