Features: 1.Paper?like flexible display, LCD matte screen does not hurt your eyes, just like writing on paper. 2.It can be used repeatedly without an eraser, and it can be erased immediately with a light press. 3.There is a function key for preventing accidental deletion and locking, allowing children to devote themselves to the creation. 4.The product is designed with a large?capacity battery for long?term durability. 5.The highlight handwriting is free to draw, the contrast is high, the handwriting is clearer, and the nails can be used for creation without using a pen. specification:Condition: Brand New Item Type: LCD Hand Painted Board Material: LCD, Plastic Function: Can be used for drawing, tap children's drawing talent Size: Approx. 22.6 x 14.5 x 0.6cm/8.9 x 5.7 x 0.2in Battery Type: Lithium manganese button battery Battery Model: CR2025 Battery Capacity: 240mAh PackageList: 1 x Writing Board 1 x Pen NotePlease allow little error due to manual measurement. Thanks for your understanding. When used for the first time, some traces may appear on the screen due to the pressure during transportation or storage. This is normal and can be erased by simply pressing the erase button.