Popular Practical A3 LED Copying Board Diamond Copying Board Animation Sketching Desk Features: Advantaged A3 LED light box drawing board, super bright large area, can light ≤300 g watercolor paper, suitable for template, scrapbook, sketch, drawing, etc. Uniform eye protection, dimming brightness control, adjustable light, low energy consumption. Intelligent brightness memory function that turns on and automatically enters the brightness you used last time. Compact structure, fine workmanship, black edges and beautiful scales Highly transparent acrylic panel for high toughness and durability. Specification: Color:black side + white Material:acrylic Size: Approx. 40 x 33 x 0.4 cm/15.7 x 13 x 0.2 in Line length: 2 m/6.6 ft Interface type :MIC USB Waterproof rating: IP65 Brightness: 2500LUX Package List: 1 x Copy board 1 x USB wire Usage:  1. Turn on the power, click on the switch symbol above the product, and then turn on the electricity. 2. Put the copy on the surface of the product, and then put the white paper on top of the manuscript 3. (1) The specific practice of adjusting the light to the required brightness: (2) When no-pole dimming is used, hold down: the switch symbol is not released, the brightness can be changed freely, and when the desired brightness is reached, stop (3) To copy by means of transparent light (4) If you don't pull the power, that is to say, just turn off the power switch on the machine, and the later time you restart it, it will remember the brightness you adjusted last time.  Applicable:  1. Professional Replication of Animation, Cartoon and Painting 2. Tattoos tracking, process projects, fabric design 3. Photo, film, slider transfer (4) Retrospection in interior, architecture, design and cartography 5. X-ray perspective