Specification:_x000D_ A5 Size: 23.8 * 15.5 * 0.3 CM / Only 1 level brightness adjustable_x000D_ A4 Size: 34 * 23.5 * 0.3 CM / Only 1 level brightness adjustable_x000D_ A5 Size: 23.8 * 15.5 * 0.3 CM / 3 level brightness adjustable_x000D_ A4 Size: 34 * 23.5 * 0.3 CM / 3 level brightness adjustable_x000D_ _x000D_ Dimmable Function: Touch sensor switch design, turn on/off by simply one touch and brightness controlled by touching several seconds to choose the level you need. It is normal that the edge of LED light board get warm while working, please do not worry._x000D_ _x000D_ Applications:_x000D_ Great tool for diamond painting project_x000D_ Professional copy in animation, cartoon_x000D_ Tattoo Tracing, Stencils,Embossing Craft Projects, Fabric design_x000D_ Photograph, Film, Slider Transfering_x000D_ Professional Tracing in Indoor, Architecture, Design and Drawing_x000D_ _x000D_ Package Includes:_x000D_ A5 Size Light Pad:_x000D_ 1 x A5 Light Pad (23.8*15.5CM)_x000D_ 1 x USB Cable_x000D_ _x000D_ A4 Size Light Pad:_x000D_ 1 x A4 Light Pad (34*23.5CM)_x000D_ 1 x USB Cable