These A21 3-Way Incandescent Light Bulbs in multiple settings of 50-200-250 Watt would make perfect use in your kitchen, bedroom, or living room. Any space will be beautifully illuminated with this easily dimmable lamp's varying Lumens of 580/3300/3880. This soft white light with a color temperature of 2850K creates a comfortable atmosphere for any space in your home. With an estimated life span of 1.1 years averaging 3 hours of use per day, there is no need to worry about spending on replacements or maintenance costs any time soon. As a global leader and full-spectrum provider of professional, state-of-the-art, and luminaire LED lighting solutions, all of Sylvania's products focus on catering to the changing moods and needs of their customers.