"Enjoy all the benefits of advanced LED energy-saving technology with the Feit Electric R20DM/850/10KLED/2 2-Pack R20 45W LED Light Bulb. This 5000K daylight light is dimmable and will replace 45-watt equivalent incandescent bulb. It produces a similar light output (450 lumens) and uses 7.5 watts 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 hours / 10 years, are RoHS compliant and 100% mercury free. Choose a dependable general purpose track and recessed lighting bulb for residential or commercial applications."