This 4-pack of BlueX CFL Green Light Bulbs is perfect for creating a visually dramatic atmosphere. With a 50-watt equivalent and 13-wattage, these bulbs are energy-saving and long-lasting, providing up to 10,000 hours of use. Perfect for indoor or outdoor use, these bulbs are ideal for decorative lighting, such as holidays, weddings, birthdays, dance parties, and more. Featuring a standard E26 base, these bulbs fit most lighting fixtures and can be used for a variety of purposes, including gemstone inspections, forensic and arson investigations, pest control, and more. Enjoy soft lighting and save money on electric bills with these energy-saving bulbs.