The Feit Electric Dimmable Clear Glass T8 E12 Base light bulb emits warm light at 2100k with a low energy consumption of 4.5W. It features a clear glass design, making it aesthetically pleasing and suitable for various lighting fixtures. The dimmable feature allows for adjustable brightness levels, providing versatility in different lighting situations. Perfect for use in residential or commercial spaces where a warm white light is desired with the added benefit of energy savings.