Features:4.5inch writing board - Compact, lightweight, safe, reliable, energy efficient and multi-functional.LCD display panel - Ultra-thin and tough, the LCD panel is flexible and durable.Wonderful using experience - The writing experience of the innovative writing tablet is like a pen on paper, so vivid.Perfect for children - It is easy to develop children's writing, arithmetic and painting skills, simple, clean and interesting.Muiti-functional board - Ideal for writing to-do lists, shopping lists, appointment reminders, short memos, and notes for friends and family.Specification:Type: LCD 4.5inch Writing Board Color: BlackMaterial: ABSUses: Writing board, calligraphy practice board, clipboard (suitable for children to practice writing)Screen: 4.5inchDisplay panel: LCDBattery: Built-in button batteryWeight: Approx. 34gSize: Approx. 8.7 * 11.5 * 0.5cm / 3.4 * 4.5 * 0.2inPackage list:1 * LCD 4.5inch Writing Board Note:Please allow slight error due to manual measurement. Thanks for your kind understanding.