Only 5mm thick and 0.82lb in weight, makes it easy to handle or transport. The USB port makes it easy to find the power adapter. Use the supplied USB cable to connect to a PC. Power bank or USB- Socket (adapter is not included).Using environmentally friendly bright LED as the material, the lighting is stable, constant and even. The light plate filters out harmful rays, protects your eyes from low light and ensures that you have to work long hours.Illuminance from 0 - 4500 LUX. Whichever paper you use, the infinite dimmable feature could give you perfect light intensity for tracking.The light table is an ideal tool for sketching, drawing, 2D animation, calligraphy, embossing, scrapbooking, tattooing, quilting, no matter for professionals or amateurs. It's also a fabulous gift for artists, designers, and photographers.The intelligent A4 light table can remember the brightness of your last use. If you turn the light table off (do not turn off the power) and turn it on again, the brightness of your last use is displayed, very convenientTechnical details:Material: acrylic.Dimensions: 13.19 in x 8.46 in x 0.2 in.Active area: 12 inx 8.46 in.Cable length: 200 cm.Operating voltage: USB 5 V.Nominal power: 3.5 W.Light source: LED.Brightness: infinitely dimmable.Contents of the box:1 x A4 LED light box.1 x USB cable.1 x pencil.1 x scale.2 x clips.