Great for studying, computing, reading and any task where seeing clearly is important. Features a space-saving, adjustable, rotating shade, which folds flat when not in use. You’ll love seeing fine print and details clearly under the low heat, low glare OttLite Illumination that helps reduce eyestrain. Bulb included. Rated to last up to 10,000 hours (Replacement bulb type E) Height adjusts from 14.75in to 19.75in. Base size 4.75in x 5in.