Upgrade old incandescent bulbs to LED technology and get a bulb that gives you five white light choices with Feit Electric’s Dimmable Selectable White 17.5-Watt A21 LED Light Bulbs. Install them just like any other bulb and select your preferred color temperature with the flip of a switch on the bulb. Choose from 2700K/3000K/4000K/5000K/6500K for a wide range of Soft White to Cool Daylight color temperature light. With these versatile bulbs, you never have to worry if you have the right color. Ideal for use in bedrooms, living rooms, kitchens, and offices, you can select the color temperature that looks best in any room for any mood. Get vibrant daylight light during the day to stay productive, then switch to warm light in the evening to relax. LED technology provides a similar 1600-lumen light output to 100-watt incandescent bulbs while using 82.5% less electricity. They last up to 15,000 hours, providing up to 13.7 years of reliable energy-efficient light.