Brightness Quality: 430 Lumens. Energy Info: 3.49 Based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 29 Watts. Package Info: 4-Pack 4 Bulb Info: Halogen Is Dimmable Bulb Life: 0.9 Years Based on 3 hrs/day. Bulb Appearance: 2850 Kelvins. Misc: 40W replacement using only 29W. Mercury free. Life: 1000 hours. Real savings. Highest quality. Every day. To save energy costs, find the bulbs with the light output you need (lumens), then choose the one with the lowest watts. These lamps comply with federal energy efficiency labeling requirements. Great products at a price you'll love - that's Essential Everyday. Our goal is to provide the products your family wants, at a substantial savings versus comparable brands. We're so confident that you'll love Essential Everyday, we stand behind our products with a 100% satisfaction guarantee. Please contact us at www.essentialeveryday.com. 29 W, 430 lumens - 40 W, 465 lumens - 28% energy savings (the reduction of wattage from 40 W to 29 W represents a 28% savings). CSA. Product of USA.