Doodle, A4 LED Light Tracing Pad, Unicorn, features include Adjustable Brightness - 3 level - simply keep pressing the touch, switch for several seconds until you get the desired brightness you want. Eyesight-protected LED Technology: Flicker-Free bright ecofriendly LED lighting, portable and light design - compact and elegant design, take it anywhere! store in your backpack for school, only 0.2\'’ thick and 750g net weight, it is convenient to carry, perfect for holidays. The visual work area is 8.2 x 11.6 inches, USB Power supply design, plug in to any USB charging port.