1. Can be written repeatedly, recycled, green and energy-saving 2. Flexible LCD, no blue light, no eye damage 3. A magnet (not included) can be placed to use as a message board 4. One-click removal, leaving no traces 5. With anti-erasure lock key, you can lock the screen 6. Highly sensitive sensor brush, light and portable 7. Power supply: a CR2025 button battery (not included) 8. Size: 8.5-inch model about 22.7 x 14.6 x 0.5cm, 10-inch model about 26.5 x 16.9 x 0.55cm, 12-inch model about 28.2 x 18.5 x 0.55cm 9. Weight: about 116 grams for the 8.5-inch model, about 156 grams for the 10-inch model, and about 170 grams for the 12-inch model
