Applications of LED Light Pad: 1) Professional Copy in Animation, Cartoon 2) Animation Creation Enthusiasts 3) Animation Teaching 4) Professional Tracing in Indoor, Architecture, Costume, Design and Drawing 5) As X-ray to Check Bone Film in Hospital Parameter Huion A4 LED Touch ADJUSTABLE Illumination Lightbox Lightpad Tatto Board Dimension(LxWxH):36cmx27cmx0.8cm Work Surface: Acrylic Panels Active Area: 21cmx31cm Scale size: yes Adapter Including Our Huion led tracing board(LED light pad) comes with a simple touch switch. after connect to the power , you can adjust the brightness. Elegant and stylish, produced as a one-piece mold, it is an easily-assembled, standardized light box using leading edge materials. Our innovative products have become leaders in light industry in many fields. Lighted surface: Opal diffuser acrylic for optimal lighting. Bright, smooth and even light distribution across entire work surface. Cool operation: No heat generation. Suitable for 24hour lighting. Maintenance free: No globes to replace. Long life span 50,000 hours. Convenient: Use on your desk top, on your lap. Light weight, less than 3 pounds. Easy to stow away and carry arround. This high quality product is great for everyone from enthusiastic amateurs to professionals. A craft LightPad is also an ideal way to introduce children to drawing and sketching. Note: we also have larger A2 available in our shop. Huion(Factory) Direct Deal