Features:  Pressure-sensitive LCD writing surface makes your writing or drawing appear without any delay.   Write or draw with the included plastic stylus or any other suitable instrument, even by your finger  Easy operation and high efficiency, erase your drawing just by a touch of the erase button.  Ultra-slim and compact design, easy to carry and can be easily slided into your briefcase, backpack, or other bag.  Lightweight and portable, perfect for school, office, home use or other use.  Built-in replaceable button cell, long battery life up to 2 years, you don't necessarily worry about power cut.    Applications:  1. Paperless: for business people, designers, engineers, teachers, students and doctors, etc. useful and environmental-friendly.  2. Love your family enjoy your life: as a family message board to deliver your love to your family, can be placed on the table and desk.  3. Good helper for students: class notes, drafts, and scientific equations to solve mathematical problems.  4. To win at the beginning: easy to cultivate children's writing, calculus, painting abilities, learn with fun.  5. Unspoken word: light and easy to carry, and can be recycled, can let deaf people communicate easier.    Specifications:  Material: ABS  Power supply: button cell  Battery capacity: 75mAh  Voltage: 3V  Standard current: 0.1mA  Colors: white, black, blue, green, pink, red (Optional)  Screen size: 23.6 * 16.8cm / 9.29* 6.61inch (L * W)  Item size: 28 * 18.5 * 0.48cm / 11 * 7.28 * 0.19inch (L * W * H)  Item weight: 185g / 6.52oz  Package size: 28.5 * 19 * 0.8cm / 11.22 * 7.48 * 0.31in (L * W * H)  Package weight: 220g / 7.76oz    Package list:  1 * LCD writing tablet     1 * Plastic stylus     1 * Magnet     1 * Color Box