Enjoy all the benefits of advanced LED energy-saving technology with this Feit Electric light bulb. These bulbs also use up to 80 percent less energy than a standard incandescent light bulb. Get instant on to full brightness with relatively cool running performance. Feit Electric G4 bulbs have an average life of 9.1 years, are RoHS compliant and are 100 percent mercury free. Choose a dependable desk lamp bulb for residential or commercial applications.