Brightness Quality: 310 Lumens. Energy Info: $3.49 based on 3 hrs/day, 11 cents kWh. Cost depends on rates and use. 29 Watts. 120 Volts. Package Info: 2-Pack 2 Bulb Info: Incandescent Indoor Is Dimmable Bulb Life: 1.8 Years based on 3 hrs/day. Bulb Appearance: 2620 Kelvins. Misc: 2 Medium base A19 bulbs. 28% energy savings (See back panel for details). Replaces 40w (See back panel for details). Twice the life. Dimmable, pleasant light. Energy saving incandescent. Beautiful soft, white light. Saves 28% energy (Compared to a 40 watt A19 incandescent bulb with 470 lumens and a lifetime of 1,000 hours (or compared to a 40 watt A19 incandescent modified spectrum bulb with 370 lumens and a lifetime of 1,000 hours), this 29 watt modified spectrum EcoVantage bulb with 310 lumens and a lifetime of 2,000 hours saves 28% energy). Fully dimmable & instant on. Contains no mercury. This bulb meets the modified spectrum lumen requirements stated in the Energy independence and Security Act of 2007 (EISA). This bulb uses energy saving incandescent technology (also called energy saving halogen). The halogen capsule inside enables this EcoVantage bulb to perform like a standard incandescent bulb while using less energy. Questions or comments: 1-800-555-0050 or www.philips.com. Made in Poland.