JOJOO A4 LED Tracing Board Pad Drawing Light Box Dimmable Brightness Micro USB Power Artcraft Animation Copying Stencil Light Panel Illumination, 17.8 inch LT005 4480 Lux, Ultra Thin/Light led lamps provides a perfectly even illuminated surface. Adjustable Bringhtness - change the Illumination as your need. Smartly memorize the brightness of your last use. USB connected, can be charged by power bank, PC, laptop, plug and play. No overheat. Suitable for long hour working. Life time lasts up to 50,000 hours' Fits Size: A4, DC 5V USB powered, perfect for ar craft, animation, drawing, stencil, tattoo, tracing, copying, scrapbooking, Transferring