True colors. Fully dimmable (Compare! Nearly as much light). Replace 40w. Uses 28w (No speicla dimmer required). Brightness: 340 lumens. Estimated Energy Cost: $3.37 per year. 30% energy savings (The reduction of wattage from 40W to 28W represents a 30% savings). In this package. A19 Halogen: 28 watts; 430 lumens. A19 Incandescent: 40 watts; 450 lumens. www.sylvania.com. 1-800-Lightbulb (1-800-544-4828); www.sylvania.com (US & Canada). Made in Hungary. Brightness Quality: 430 lumens. Energy Info: $3.37 based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 28 watts. Package Info: 4-Pack. 4. Bulb Info: Is Dimmable. Screw. Bulb Life: 0.9 years based on 3 hrs/day. Bulb Appearance: 2850 k.