LED energy-saving technology with the Feit Electric R20DM/950CA/3 45W R20 LED Light Bulbs. This 5000K daylight bulb is dimmable and will replace 45-watt equivalent incandescent bulbs. It produces a similar light output (450 lumens), uses 5 watts of energy 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 R20 bulbs have an average life of 25,000 hours / 22.8 years are RoHS compliant and are 100% mercury free. Choose a dependable Energy Star® approved track and recessed lighting bulb for residential or commercial applications.