USB POWERED - The only light therapy lamp that's powered through a USB port - eliminating the need for an AC adapter and cord. This truly portable lamp allows for easy packing while traveling and reduces clutter on your desk.</br>10??000 LUX?? 5500K - This offers an effective but safe level of brightness to help beat Winter Blues?? Circadian Sleep Disorders?? Shift Work Adjustment?? Jet Lag?? and Low Energy. 60 edge-lit?? 5500K daylight LED lights provide a diffuse and even light across the entire panel at the optimal color temperature.</br>FULL-SPECTRUM - The Lumos produces full-spectrum light (CRI >90). This means a higher quality light that more closely mimics the qualities of natural sunlight.</br>AWARD WINNING DESIGN?? 50??000 HOUR LIFESPAN - Compact dimensions (11.5*2.25*3.5"eek and modern looking design is something you'll be happy to keep on your desk all year round. LED lights mean you will never have to replace expensive light bulbs ever again. Also available in Grey - Search "Circadian Optics Lumos Grey"</br>90 DAY MONEY-BACK GUARANTEE - Receive a full refund including prepaid return shipping if you are unhappy with your purchase for any reason. No questions asked.</br></br>Product Description</br></br><b>*This lamp blocks 100% of UV light and is not suitable for the treatment of Vitamin D deficiency.</b> <br><br><b>Featured in Vogue magazine and ShineALightOnSAD.com<br><br>Ergonomics and Design </b><br>The Lumos Daylight Lamp is designed based on the modern principles of sleek lines and functionality. It has a battery base that rotates into a stand which gives it an extremely small footprint. Its light panel also rotates 360 degrees to allow for the optimal positioning of the light for maximum exposure.<br>It is the only lamp that's powered through a USB port - eliminating the need for an AC adapter and cord. This truly portable lamp allows for easy packing while traveling and reduces clutter on your desk. The sleek and modern looking design sets it apart from other lamps and is something you'll be happy to keep on your desk all year round. Designed in Italy?? it is made from premium materials and to the highest standards.<br><br><b> Functionality</b><br>The Circadian Optics Daylight Lamp's 60 LED array gives out a 5500K light that mimics