Item Type: LCD Writing Board Size: Approx. 240 x 170 x 5.2mm / 9.4 x 6.7 x 0.2in Material: LCD Panel + ABS Material Features: Double-Sided Input and Write Pressure: 180-250g Battery Model: Button Battery (Delivered with Built-in Battery) Number of Batteries: 1 Battery Type: CR2025 Battery Capacity: 150mAh Reflective Rate: 25%-30% Package List 1 x Double-Sided LCD Writing Board 2 x Drawing pen Delivered with Built& 8209;in Battery 1The writing board is one side of the multicolor screen and the other side of a single color screen, used for painting and writing can cultivate children's creativity and learning thinking, so that children learn in the game 2The drawing board is reusable and erasable, and the drawing pens are made with modern technology without the need for additional paper, ink, markers, or pens 3With a switch control you can erase the marks on your drawing board and in seconds you can start creating masterpieces beyond your imagination again 4The magnetic writing pad is used for recording or leaving messages and can be used for classroom tasks, kindergarten writing, preschool learning, letter practice and letter formation 5As a perfect educational gift that will not go out of style, it is a perfect choice for preschoolers, and enhances children's creativity and makes children enjoy learning