Litup Light Box Light Pad L15.63"x W11.81" Tracing Light Box Drawing Light Board Light Table for Animation Sketching Artcraft- LP-B4 Large Working Area and Huge Capacity: 15.63-by-11.81 inch (B4 size) larger than A4 size and it is widely used in drawing, animation, stenciling, sketching, embossing, tattoo transferring or X-ray viewer etc. Thin and Portable: LP-B4 led light box has the slim thickness of 0.2 inch and the weight of 0.74 KG which make it easy to be carry around. Adjustable Brightness: LP-B4 light pad has a touch switch to control the brightness. The bright led lamps inside the tracing light box provide perfectly even illuminated surface. USB Powered: LP-B4 light board comes with a 2-meter USB cable which can be plugged into USB wall charger, computer, laptop or power bank etc. Eyesight Protected Technology: Non-flicker led lamps provide even light and there is no shadow, no eye strain when using the light box.