1. One-Click Lock, Lock Key, Humanized Screen Lock, Retain The Wonderful Things And Prevent Accidental Deletion 2. Clear With One Click, Leaving No Traces 3. Instant Removal, 0 Residue 4. Long-Lasting Battery Life, Environmentally Friendly Materials 5. Lcd Writing Tablet, Portable Storage, Easy To Use Product Name:Lcd Tablet Battery Model:CR2032 Writing Pressure:400g Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:Blue Material:ABS Size:About 345x230x55mm Package Contents: 1 * LCD Writing Pad 1 * Paint Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.