Product DescriptionKX-2000 Series ”The ORIGINAL halogen alternative” utilizes a mixture of Krypton/Xenon gas to create a long life, bright white light source. These small bulbs are ideal in any fixture with an E12 screw base. Compatible with all dimmers and long lasting for fewer replacements between bulbs.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.