Bring modern and best-in-class lighting into your home with the energy-saving SYLVANIA 4.5W LED B10 daylight bulbs! This 4.5 watt LED lamp is specifically designed to replace 40-watt incandescent bulbs. At only 4.5 watts, this SYLVANIA LED lamp can emit a bright 500 lumens, saving you money on your electricity bill. In fact, this bulb's estimated annual energy cost is just $0.54! With a lifespan of 7 years, this LED lamp emits 300 lumens. What's more, SYLVANIA LED lights don't need a warm up, don't overheat, and don't emit harmful UV-, IR-, radiation and are mercury-free. You can also safely install them in ceiling light fixtures (not for use with fully enclosed fixtures) or accent lights. If you like modern lighting in your living room or workspace, then this product's 2700K soft white color is just right for you! See the clear difference SYLVANIA makes; better lighting for better living.