These fully dimmable, ENERGY STAR rated, A19 LED light bulbs only use 5.7-Watt of energy, but product brightness (460 Lumens) similar to a 40-Watt incandescent light bulb These 40-Watt equivalent LED A19 bulbs are the perfect upgrade for your existing incandescent lighting. Upgrade today and start saving dollars and cents on your power bill for years to come. These bulbs are estimated to cost only $.68 per year to operate and are rated to last for 15,000 hours, which means they could save you up to $56 in energy costs over the course of each bulbs 15,000 hour lifetime. These bulbs emit 2700K (Soft White) color temperature, which is recommended for any room in your house. Fully dimmable. 5 year warranty.