Writing Tablet with Stylus Pen Graphic Board Electronic Calculator Solar Calculator with LCD Screen

Label:Yes Color:Black/White Packing list:1pc Solar Calculator Writing Tablet +1pc Stylus Pen Material: environment-friendly ABS Two methods of use: button battery/solar energy Size:Merge: 160 * 78 * 7mm Expand: 160 * 158 * 7mm 1. Multi-function: smart calculator and LCD writing board, 12-digit screen, writing while counting, convenient and practical. 2. Environmental protection: The writing board supports repeated writing, without paper, ink, and dust. LCD screen, no blue light, protect eyes. 3. Erase and lock button: With the erase button, you can erase the entire screen with one key. The lock key can prevent accidental deletion. 4. Replaceable battery: powered by cr1220 button battery, no need to charge and connect, ultra-low power consumption and long service life. 5. Wide application range: compact and portable, foldable storage, very suitable for children or adults to use at home office school etc.