Enjoy all the benefits of advanced LED energy saving technology. This 5000K daylight light is dimmable and will replace 45 W equivalent incandescent bulb. It produces a similar light output (450 Lumens) and uses 7.5 W of electricity and up to 83% less energy than a standard incandescent light bulb. Get instant on to full brightness with relatively cool running performance. Feit electric R20 bulbs have an average life of 11,000 hrs/10 years, are RoHS compliant and 100% mercury-free. Choose a dependable general-purpose track and recessed lighting bulb for residential or commercial applications.