Features: 1. Compact, lightweight, safe, reliable, energy efficient and multi-functional. 2. Ultra-thin and tough. The LCD panel is flexible and durable. 3. Wonderful using experience. Writing on the tablet is like writing on paper. 4. It can help develop children's writing, arithmetic and painting skills, which is simple, clean and interesting. 5. Ideal for writing to-do lists, shopping lists, appointment reminders, short memos, and notes for friends and families. Specification: Color: Black/Red/Green/Blue (Optional) Material: ABS Usages: Writing board, calligraphy practice board, notebook board (suitable for children to practice writing) Screen: 4.5inch Display Panel: LCD Battery: Built-in button battery 1 x CR1220 Size: Approx. 8.7x11.5x0.5cm/3.4x4.5x0.2in Package list: 1 x LCD 4.5inch Writing Board 1、Compact, lightweight, safe, reliable, energy efficient and multi-functional. 2、Ultra-thin and tough. The LCD panel is flexible and durable. 3、Wonderful using experience. Writing on the tablet is like writing on paper. 4、It can help develop children's writing, arithmetic and painting skills, which is simple, clean and interesting. 5、Ideal for writing to-do lists, shopping lists, appointment reminders, short memos, and notes for friends and families.