Features: brand new and high quality Small size and light, easy to carry. Optical power board, no dust, innovative writing, environmental for health, no eye injury. Interactive learning with kids, give kids more fun to keep a handwritten sketchbook. One button to delete, the entire page without pen and paper, convenient and fast. Protective structure, anti-fall and damage resistance. Smoother writing feel, more realistic writing effect, more suitable for normal writing, drawing, design. Simple operation, suitable for different age groups of people of all kinds of needs. The back of the writing board has a mouse pad, it can be used in the office, saving desk space. Specifications: Material: environmentally friendly ABS Working temperature: 0-4℃ Input pressure: 100x200g Display panel: LCD flexible LCD screen Battery (lithium manganese battery): 3V Battery model: CR2032 Font color: monochrome thick pen/color thick pen Reflective rate: 25%-30% Color: yellow, red(optional) Size: approx. 27.5x19x1cm/10.84x7.48x0.39in Package Includes: 1PC x writing board 1PC x writing pen note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. There is a difference of 1-3cm according to manual measurement. Thank you for your understanding.