Eyesight-protected LED Technology: this super bright, flicker-free, evenly distributed illumination pad is ultra-thin and light weight, only 5mm which makes it portable everywhere. No radiation, No harm for eyes even long-hour working. Stepless adjusted: Long press the on/off button to adjust brightness. It can also remember the brightness next time you turn it on. Transparent Acrylic (Organic Glass) Surface: as glistening as a glass panel, the light emitted from the pad through the paper presents the images more clearly and makes tracing images more easily. The whole light pad dimension including black frame is L14.2 x W9.5 x H0.2. The visual work area is 12.2" x 8.2, same size of A4 paper. USB Powered, DC 5V, 3.2W: it supplies with a USB cable and can be plugged into any device with USB port, like computer, power bank or any 100/240V-50HZ power adapter(not included) that connects directly into a wall socket. It is perfect for multiple domains, such as 2D Animation, 5D Diamond Painting, Calligraphy, Embossing, Scrapbooking, Tattoo Transferring, Sketching & Drawing, Sewing projects, Stained Glass, Quilting,X-ray viewing etc Package included: 1X A4 LED Light Pad 1X USB cable 1X Manual (PS: PLUG IN ADAPTER NOT INCLUDED)