Brightness Quality: 1270 Lumens. Energy Info: $8.67 based on 3 hrs/day. 11 cents/kWh. Cost depends on rates and use. 72 Watts. Package Info: 2 Bulb Info: Halogen Bulb Life: 0.9 Years based on 3 hrs/day. Bulb Appearance: 2850 Kelvins. Misc: 100W incandescent modified spectrum replacement (These bulbs use less energy than 100 watt incandescent modified spectrum bulbs while providing more light output (1270 vs. 1260 lumens)). Uses only 72W. 1270 lumens. 0.9 year life (Based on 3 hours use per day). Brightness: 1270 lumens. Estimated Energy Cost: $8.67 per year. Energy-efficient. Uses 28% less energy (These bulbs use less energy than 100 watt incandescent modified spectrum bulbs while providing more light output (1270 vs. 1260 lumens)). Strong, vibrant light. GE's best incandescent soft white line (GE's Best Incandescent Soft White line provides the light qualities you love, but uses less energy: Same size and shape fits traditional general use fixtures; Same warm, pleasing light; Same full dimmability; Uses 28% less energy (These bulbs use less energy than 100 watt incandescent modified spectrum bulbs while providing more light output (1270 vs. 1260 lumens))). 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. Made in Hungary.