Features: Compact design in A3 size, super slim in 2.5mm thickness, convenient to carry around, can be used to read in a low-light condition. Great painting accessory -- can be used to make diamond jewel paint for better positioning; can be used to copy the painting without tearing up the book, using the light pad by pressing it in the book. Eye-protecting and non-flicking LED light pad with smaller light holes, good for eyes especially working for long hours; adjustable three-level brightness, press the button to switch according to your demand; light can pass through 200 grams watercolor paper. Powered by 2m USB cable, easy to access to any USB port like computer, laptop, power adapter, power bank, etc. Ideal for sketching, drawing, 2D animation, practice calligraphy, clothing design, diamond jewel paint, etc; best gift for artists, animators, designers, art enthusiasts, children, students. Specifications: Material: Acrylic Panel Light Source: LED Thickness: 2.5mm Working Voltage: USB 5V LUX:1500-2500 Light Penetration: can pass through 200 grams watercolor paper Illuminated Space: 40 * 30cm / 15.75 * 11.81in Item Size: 40 * 33 * 0.25cm / 15.75 * 12.99 * 0.098in Item Weight: 340g / 11.99oz Package Size: 44*37*4cm / 17.3*14.6*1.6in Package Weight: 500g / 17.64oz Package List: 1 * Copyboard 1 * USB Cable