Product DescriptionBulbrite KX-2000 T3 bulbs give off the same bright white light as a halogen, using pure xenon gas from Japan. This bulb can be fully dimmed without loss of performance, and so is ideal for multiple residential and commercial applications. The KX-2000 Series is considered “The ORIGINAL halogen alternative” and utilizes a mixture of Krypton/Xenon gas to create a long life, bright white light source.From the ManufacturerKX-2000 Series “The ORIGINAL halogen alternative” utilizes a mixture of Krypton/Xenon gas to create a long life, bright white light source