GE 3 Way 50W/100W/150W Soft White General Purpose A21 Bulb. 615/1540/2155 lumens. 1.1 year life*. Strong, vibrant Light™. Brightness: 615/1540/2155 lumens. Estimated energy cost: $6.02/$12.05/$18.07 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 - 615/1540/2155 lumens. Estimated yearly energy cost $6.02/$12.05/$18.07. Based on 3 hrs/day, 11¢/kWh. Cost depends on rates and use. Life: based on 3 hrs/day - 1.1 years. Light appearance: warm 2800k - cool. Energy used - 50/100/150 watts. To produce all three levels of light, this bulb should be tightened firmly, but not forcibly in the socket, to assure that all contacts are connected. Burning position - base down only. 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. 800-GE-LIGHT. Visit us on the internet... www.gelighting.com.