Brightness Quality: 450/1150/1600 Lumens. Energy Info: $6.02/$12.05/$18.07 based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 50/100/150 Watts. Package Info: 1 Bulb Info: Is Three Way Bulb Life: 1.1 Years based on 3 hrs/day. Bulb Appearance: 2850 Kelvins. Misc: General purpose A21. Clean beautiful light. 1.1 year life (Based on 3 hours use per day). Brightness: 450/1150/1600 lumens. Estimated Energy Cost: $6.02/$12.05/$18.07 per year. Visit us on the Internet: www.GELighting.com. 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. We are sure you'll enjoy GE Reveal light bulbs. If this product does not meet your satisfaction, simply return the UPC and register receipt, along with your name and address to GE Lighting, Product Service Dept., 1975 Noble Rd. Cleveland, OH 44112. GE Lighting will refund the purchase value of your GE Reveal purchase. Transform every room in your home from ordinary to extraordinary with Reveal bulbs. Reveal's unique neodymium glass filters out the dull, yellow rays unlike regular soft white bulbs, leaving you with enhanced, vivid surroundings. You'll be delighted with the difference, guaranteed. Made in Hungary.