Light Bulbs, Halogen, Super Soft White, 43 WBrightness Quality: 600 Lumens. Energy Info: $5.18. based on 3 hrs/day. Cost depends on rates and use. 43 Watts. Package Info: 4 Bulb Info: Halogen Bulb Life: 0.9 Years based on 3 hrs/day. Bulb Appearance: 2750 Kelvins. Misc: A19 halogen bulbs. 60 W replacement using 43 W (The reduction of wattage from 60W to 43W represents a 28% savings). Energy Savings: 28% (These bulbs use less energy than a 60W modified spectrum incandescent while providing similar light output (600 vs. 640)). Life: 1000 hours. Modified spectrum. These lamps comply with federal energy efficiency labeling requirements. www.sylvania.com. CSA listed. Made in USA.