Product DescriptionThe KX-2000 Series is considered ”The ORIGINAL halogen alternative” because it utilizes a mixture of Krypton/Xenon gas to create a long life, bright white light source. These long lasting bulbs require fewer replacements and burnout less frequently, making them ideal for your next home improvement project. Use it with any E12 screw base fixture in your home. Safe for indoor use with their UV safe features.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