GE Soft White 3 Way 30/70/100W Bulb. Fresh, energizing light™. 1.1 year life*. General purpose A21. Brightness: 305/995/1300 lumens. Estimated energy cost: $3.61/ $8.43/ $12.05 per year. Let GE show you what light can do: From light that lets you see every detail to light that helps you connect with family and friends, from vibrant to gentle - GE's new home lighting solutions make it easy to find the right light for your home. 200-399 lumens: subtle, reassuring light. 400-599 lumens: cozy, relaxing light. 600-1049 lumens: comfortable, inviting light. 1050-1489 lumens: fresh, energizing light. 1490 - 5000 lumens: strong, vibrant light. Lighting facts per bulb: Brightness: 305/995/1300 lumens. Estimated yearly energy cost based on 3 hrs/day: 11¢/kwh. Cost depends on rates and use. Life, based on 3 hrs/day: 1.1 years. Light appearance: 2800 K. Energy used: 30/70/100 watts. Use original soft white from GE when you need a light without glare and harsh shadows. Specifically designed for 3-way lamps in your home or office, 3-way bulbs from GE offer a range of light levels. Choose the low light setting for energy savings, higher settings for general and activity lighting. *Based on 3 hours use per day. Visit us on the internet: www.ggelighting.com. 800-GE-LIGHT.