GE 3 Way Soft White 50W Bulb. 50/200/250w. 590/3335/3925 lumens. 1.1 year life*. Strong, vibrant light™. 1 general purpose. A21 bulb. Brightness. 590/3335/3925 lumens. Estimated energy cost. $6.02/$24.09/$30.11 per year. 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. Lighting facts per bulb. Brightness 590/3335/3925 lumens. Estimated yearly energy cost $6.02/$24.09/$30.11. Based on 3 hrs/day, 11c/kWh. Cost depends on rates and use. Life. Based on 3 hrs/day - 1.1 years. Light appearance. Warm cool. 2800 K. Energy used - 50/200/250 watts. 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. Visit us on the internet... www.gelighting.com. 800-GE-LIGHT.