Product Description Pack of 10 units. True high efficiency This DIMMABLE MR16 GU10 LED bulb consumes just 6.5 Watts, emitting 500 lumens of light, serving as an effective replacement for a 50 watts halogen bulb, saving you up to 85% in energy costs. Extremely long lifespan Each bulb comes with a lifespan of 50,000 hours, save effort and maintenance costs on changing bulbs frequently. Easy to install Standard MR16 shape with GU10 twist and lock base fits well into all your regular MR16 halogen bulbs. Soft on your eyes The led bulbs emits flicker-free and non-glare light, helping you avoid eye fatigue caused by flickering light and harsh glare as well as increasing the light emitting area. 38Â° beam angle Narrow light beam angle 38Â° serves as spotlight, which is perfect for residential and commercial lighting, light up your living room, bedroom, kitchen, garage, bathroom, study or office. Instant on without delay Switching on these lights, they were able to go onto full brightness within less than 0.5 seconds, no need to wait for warming up the lamp. Excellent color consistency and CRI CRI is a measure of a light source's ability to show object colors "realistically" or "naturally" compared to a familiar reference source, so that CRI is over 80 means more vivid and natural light. Safe for your health Contain no mercury and do not contain any UV/IR light, safe for your home and the environment.