Enjoy all the benefits of advanced LED energy-saving technology with the Feit Electric BPT1040/950CA 40W T10 LED light bulb. This 5000K daylight bulb is dimmable and will replace a 40 W equivalent incandescent bulb. It produces a similar light output (410 Lumens), uses 4.5 W of electricity and up to 89% less energy than a standard incandescent light bulb. Get instant on to full brightness with relatively cool running performance. Feit Electric T10 light bulbs have an average life of 15,000 hrs/13.7 years are RoHS compliant and are 100% mercury-free. Choose a dependable art and picture bulb for residential or commercial applications.