Ward off the effects of the winter doldrums - excessive sleep, social withdrawal, weight loss and melancholic depression. The Medlight Light Box has been proven effective in elevating mood, increasing energy and restoring one's inner body clock. The economically priced Medlight™ 2400 delivers 10,000 lux of full spectrum light. Weighing in at just 7 lbs, the 2400 is light weight and portable. The Medlight™ 2400 Light Box is made in the USA with the same quality craftsmanship as the smaller Medlight™ 2401 Light Box. The Medlight™ 2400 Light Box features metal construction, and includes lamps, U.V. shielding, on-off switch and rubber feet. Size: 17 1/2 in. x 9 1/2 in. x 3 1/4 in.