4 A19 bulbs. 100 w (Compare! Nearly as much light). Soft white. Truer colors. Fully dimmable (The reduction of wattage from 100W to 72W represents a 28% savings. No special dimmer required). Replaces 100 w uses 72 w (Compare! Nearly as much light). 28% energy savings. Brightness: 1490 lumens. Estimated Energy Cost: $8.67 per year. In this Package: A19 Halogen: 72 watts; 1490 lumens. A19 Incandescent: 100 watts; 1600 lumens. Guarantee: If the product fails to perform as advertised within thirty (30) days of purchase, return the product with its original packaging and receipt to the retail store where purchased and manufacturer will provide replacement product free of charge. 1-800-LightBulb (1-800-544-4828). www.sylvania.com (US & Canada). Brightness Quality: 1490 lumens. Energy Info: $8.67 Based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 72 watts. Package Info: 4. Bulb Info: Halogen. Is Dimmable. Screw. Bulb Life: 0.9 years Based on 3 hrs/day. Bulb Appearance: 3000 k.