The Northern Lights Desk Lamp was our very first unit to go into production. The newest version, the Northern Lights Desk Lamp II uses even more efficient LED bulbs. It is bright, offering 10,000 Lux at a class leading 18 inches, uses just 50 Watts and has long lasting bulbs with a 30,000 hour lifespan. Built with a robust metal frame the Northern Lights Desk Lamp II will last you a lifetime. Plus it's fully adjustable, so you can enjoy 10,000 Lux with unmatched comfort. The power in our unit is channeled into light, not heat. The lamp height and angle adjustments allow you to obtain maximum comfort while alleviating your winter blues. Great for use at home, at the office or for any task that requires bright lighting. Clinically tested and proven for the natural easing of winter blues, jet lag, shift work, circadian sleep disorders and low energy during the dark days of the fall and winter seasons. All Northern Lights lamps are proudly made in North America and are built to last. Studies prove that bright light therapy is shown to decrease melatonin and increase serotonin levels, making you feel more alert, energized and happy.