Simulates natural sunlight and lessens eyestrain Clamp-style lamp is made with sturdy steel construction for long wear while simulating natural daylight. It secures to the edge of most flat surfaces up to 2" thick in an upright position. Energy-efficient 27-watt bulb is as bright as an ordinary 150-watt incandescent light bulb, and lasts 5 times longer. Provides increased contrast between black and white print, and shows truer colors, thereby reducing glare and eyestrain. Additional features include 2-level brightness control, built-in surge protection and a flexible gooseneck for 360 degree positioning. UL-listed. Replacement bulb (part number CFML27VLX) is available and sold separately. Available in 2 colors: VC01AA1: ivory or VC01BB1 graphite Overall dimensions: 48H x 10 1/2W x 9"D