VERY BRIGHT LAMP FOR CRAFTS and FOR READING IN YOUR FAVORITE SOFA CHAIR: The Brightech Litespan is perfect for reading and hobbies with its super bright 2,000 Lumens and adjustable color temperature of 3,000K (warm white), 4,500K (mix of warm white and cool white) - 6,000K (cool white) . Use the cool white to sharpen contrast in arts and crafts, reading, sewing, knitting, lash extensions etc. or warm 3000K yellow hue for lighting that's easier on the eyes. Your Litespan remembers your light preference.