Description: Adjustable Brightness. Touch switch design to adjust the brightness. The bright flicker free led lamps provide even light for eye protection. Large Working Area: which is large for people to draw. The drawing light pad is widely used in animation, tattoo. With USB cable, it can access to any USB port like computer, USB adapter and so on. Can Used for: Stenciling, animation, calligraphy, embossing, scrapbooking, tattoo transferring, sketching, drawing, sewing projects, etc. Specification: Rated power: 3.5W Input power: MICRO-USB/5V Working current: 0.6A Luminous intensity: 300-3501M Light source: LED components Size Chart: A3: 400x330x30mm/15.75x13x1.18inch A4: 235x235x30mm/9.25x9.25x1.18inch(with Scale) Package Includes: 1 Piece Light Box Light Pad 1 Piece USB Cable Note: Please allow slightly measuring deviation due to manual measurement.