The Ott-Lite Glow LED Desk Lamp with Color Changing Base is the ultimate mood lighting for your room. The base glows in the color of your choice, allowing your mood to choose the lighting or you can let it cycle continuously through the entire 256-color spectrum. With 3 brightness settings, this is a perfect lamp for your dorm room or any modern home office and craft area. Helps you see details clearly and reduce glare and eyestrain with its natural daylight LED illumination. Maximum of 345 lumens. Its rubberized flexible neck allows for a wide area of illumination. Super-bright natural daylight Ott-Lite LEDs rated to last up to 40,000 hours. Includes 5V, 2.1A USB Port that fully charges tablets, phones, and more. Height adjusts from 10" to 20.5". Ott-Lite proprietary Wellness Series LED. Comes with an AC/DC adapter (Input: AC100-240V, 50/60 Hz, 0.8A. Output: 27V DC, 1.0A with a Male DC plug). Can only be used in the US and Canada.