Feature: 1. As small as a smartphone, convenient for carrying. 2. It is widely used in children\u0027s doodles, business memos, old people\u0027s messages and so on. 3. Need no electricity to maintain display (only erase moment need a little bit electric). 4. Every hard object can be used to write on it. 5. No backlighting, do not have harm to the eye. Specification: LCD intelligent blackboard using the flexible LCD technology, the use of the dielectric anisotropy of liquid crystal molecules to obtain materials with electro-optical response characteristics, every hard thing can be used to write on it, need no electricity to maintain display (only erase moment need a little bit electric), no backlighting, do not have harm to the eye. Features: As small as a smartphone, convenient for carrying. It is widely used in children's doodles, business memos, old people's messages and so on. Need no electricity to maintain display (only erase moment need a little bit electric). No backlighting, do not have harm to the eye. Every hard object can be used to write on it. Specifications: Color: pink, blue, black (optional) Battery: 1 * CR1220, 3V, 40mAh Item size: 11.6 * 8.6 * 5cm / 4.6 * 3.4 * 2.0in Item weight: 34g / 1.2oz Package size: 12 * 9 * 5cm / 4.7 * 3.5 * 2.0in Package weight: 40g / 1.4oz Package list: 1 * Writing Tablet Package List: 1 * Writing Tablet