Features: Eye Protection: The LCD screen has no radiation, protecting your eyes and making it safer and more comfortable to work for extended periods. Easy to Carry, Portable: With an innovative full-screen design, the writing tablet is easy to carry and can be easily placed in a briefcase, backpack, or other bags. Easy to Use: With simple operation and high efficiency, all content can be erased by pressing the erase button once. Long Battery Life: Built-in replaceable button cell battery, the battery life can last for more than 1 year, so you don't have to worry about power outages. Wide Application: This writing tablet can be used by both adults and children. It can be used for drawing, graffiti, meeting notes, and memos. Specification: Item Type: Writing Tablet Material: LCD, ABS Product Battery Type: Button Cell Battery (Shipped with built-in battery) Battery Model: CR2016 Battery Capacity: 75mAh Number of Batteries: 1 Package List: 1 x Writing Tablet 1 x Pen