Full Spectrum, 10,000 Lux light therapy, task and reading lamp. The BlueMax 70w Desk lamp utilizes our full spectrum bulb which contains our patented 6 color phosphor blend to provide the highest quality of light. This bulb provides an unmatched CRI of 96+ and 5900K light, almost an exact match to the color and clarity of light the sunlight produces. Fully dimmable from 100% to 20% which allows you to use the lamp on high for therapy and then dim it down and use it all day long as a task or reading lamp. Patented dimmable flex arm lamp for ideal comfort. Produces 4,300 lumens, equal to a 300w halogen but provides natural daylight, full spectrum, quality lighting that is comparable to the color and clarity of sunlight without any UV. Bring the color and clarity of sun light inside with full spectrum lighting and BlueMax. High quality metal construction. Ideal size and light quality for reading, sewing, arts and crafts but also provides light that is bright enough for light therapy. When the lamp is on high it will produce light therapy with 10,000 lux at 18 inches or 5,000 lux at 28 inches. Flicker-free electronic ballast system. Bulbs last up to 10,000 hours. Lamp stands at 54 inches tall. Lifetime warranty on the lamp 1 year on the bulb.