Smart Calculator & LCD Writing Tablet: Features a 12-digit display, allowing you to calculate and take notes simultaneously. Reusable Writing Pad: Supports repeated writing, enabling you to jot down information anytime without paper or ink – convenient, practical, and eco-friendly. Eye-Friendly LCD Screen: No blue light emission protects your eye health. Erase & Lock Buttons: Clear the entire screen with a single click of the erase button. The lock button prevents accidental data deletion. Replaceable Batteries: No need for charging or plugging in. Enjoy low power consumption and long battery life. Compact & Portable: Small size and foldable design make it easy to carry. Versatile Use: Perfect for kids and adults at home, in the office, at school, and more. Screen Size: 6 inches Battery: 2 * 1220 Button Cell (included) Unfolded Size: approx. 16 x 15.6 x 0.5 cm Folded Size: approx. 16 x 7.8 x 1.2 cm Color: White Material: ABS Size: 160 x 77.5 mm Package Contents: 1 * Foldable Calculator & LCD Writing Tablet 1 * Pen 1 * English Manual