Main Features:￠ Special acrylic anti-scratch and anti-slip for professional artistic design￠ Hidden LED design・ the unique light patterns provide enough brightness and diffuse reflection effect by joining the middle tile open honeycomb cushion・ which make the light more mild and at the same time・ protect users eyesight￠ The auxiliary settlements are practical and dependable・ while the surrounding degree marks are precise and accurate￠ Comes with an USB cable・ which means you can not only plug it into the wall charger・ but also your computer￠ Working voltage: DC 5V￠ Rated power: 1W