6-Pack LED Energy Saving Bulb 40W (Uses 7W) Dimmable A19 120V Efficient - only 7 Watts used to provide the equivalent of 40W - 450 Lumens Dimmable Saves 82% of energy costs when comparing a 7W, 450 lumens LED A19 bulb with a 40W 450 lumens incadescent A19 bulb