The warm glow can add classic ambiance and charm to any room. Create an industrial mid-20th century historical look in your favorite space or a modern retro-inspired aesthetic. The high quality vintage LED bulbs last 15 times longer than conventional bulbs and provide beautiful light for years. At 3 hours use per day you'll enjoy a 13 year lifespan (15,000 hours). Annual energy cost of only $0.48! This pack comes with 1 bulb that has 360 lumens of light output at only 4 watts. Replace your old 40W incandescent bulbs for a brighter and more home. Offers a CRI of 80 to see objects more accurately and sharply. Our amber finish glass bulbs are dimmable and work with most dimmer switches. Easy to install with a medium base and amber finish to create a welcoming, amber glow. Pair with Oil Rubbed Bronze Fixtures for a great look. For use with chandelier light fixtures, pendant/pendulum lights, hanging lights, antique or accent lights. Backed by our 3-year satisfaction promise.