Combining durability with energy efficiency, the MR16 Designer 2 Watt series spotlamps are the perfect replacement for traditional halogen 2 Watt bulbs. Direct intense, saturated light 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 more than 10 times the halogen equivalent. Ultra-low power consumption and free of heavy metals like mercury!