Characteristics: Profitable A3 LED Light Box Writing Board, super bright large area, can shine 300g of watercolor paper, suitable for template, notebook, sketch, drawing, etc. Uniform eye protection, dimming brightness adjustable, adjustable lighting, low energy consumption. Intelligent brightness memory function that turns on and automatically adjusts the last used brightness. Compact structure, perfect workmanship, black edges and beautiful scales Highly transparent acrylic panel for high strength and durability. Easy to use, plug and open, then you can start creating Specification: Color: black side white Material: acrylic Size: approx. 40 x 33 x 0.4 cm / 15.7 x 13 x 0.2 inches Line Length: 2m / 6.6ft Interface type: MIC USB Voltage: 5V Waterproof: IP65 Brightness: 2500LUX Package list: 1 x Copy Board 1 x USB cable Use: 1. Turn on the power, click the switch symbol above the product, and then turn on the power. Place a copy on the surface of the product, then place white paper on top of the manuscript 3. (1) The specific practice of adjusting the light to the required brightness: (2) When polarless dimming is used, hold down: the switch symbol is not released, the brightness can be changed at will, and when the desired brightness is reached, stop (3) To copy with transparent light (4) If you don't pull the power, it means Just turn off the power switch on the device and on restarting later it will remember the brightness you set last time. Right: 1. Professional recreation of animation, comics and painting 2. Tattoo tracking, process designs, fabric design 3. Photography, film, slider transfer (4) Retrospection in interiors, architecture, design and cartography 5. X-ray perspective