Feit Electric A1940CL927CA/FIL/4 LED A19 Light bulb provides up to 87.5% energy saving by replacing 40W with 5W; replace your old incandescent bulbs for a brighter and more energy-friendly home. Lasting 10 times longer than incandescent and halogen bulbs with a lifespan of up to 10 years, eliminating the need to constantly change your light bulbs. No warm-up time for these bulbs; they will light up instantly with their full brightness of 800 Lumens with stable soft white color. This dimmable LED recessed light has a wide range of uses; compatible with most LED dimmers, you can create your favorite space by utilizing the smooth dimming range of 10% - 100%. With this 2700K color temperature, it is the warmest option that most closely resembles a standard incandescent blub; giving a warm and cozy feeling, and is often best for kitchens, laundry rooms, living rooms, dens, and bedrooms. UL listed, and FCC compliant, Feit Electric upholds the highest standards for all our light bulbs, fixtures, and string lights with optimal performance and safety; with 40+ years of experience in lighting, we are the leader in lighting innovations. This pack includes 4 (four) LED Recessed Lights with a Medium E26 Base adapter; great value along with the convenience and ease of purchase