Unique lighting breakthrough simulates natural daylight for easier reading, repair work, studying or hand crafts Ott-Lite VisionSaver DesignPro Floor Lamp has a flexible neck that adjusts to direct light where you need it. Features include an adjustable height function allowing lamp to be raised from 39 1/4H to 63 7/8"H, a 90"L electrical cord and one 18-watt VisionSaver bulb that simulates daylight to eliminate eyestrain. Not merely color-corrected, Ott-Lite provides near-perfect color rendition. While sunlight has a color index of 100, this lamp has an almost-perfect index of 94. Such accurate lighting reduces the glare and fluorescent radiation that cause eyestrain and headaches. Available in graphite grey color with polished chrome finish. Optional 18-watt VisionSaver replacement bulb (T18330) lasts up to 10,000 hours. Available and sold separately, 1 per package. Overall dimensions: 46H x 22 3/4W x 8 1/2"D, with base dimensions of 1 7/8H x 11 3/4W x 8 1/2"D