Combining durability with energy efficiency, the Dimmable MR16 2W Designer spotlamp is the perfect replacement for traditional halogen MR16 bulbs. With dimmability you can softly light or direct intense, saturated light at your target all without the intense heat of halogen. The glareless lamps come with a wide variety of changeable diffuser patterns for user flexibility and total beam control. It's proprietary temperature and current controls make these lamps last beyond 35,000 hours nearly 10 times the halogen equivalent. Ultra-low power consumption and free of heavy metals like mercury!