Electronic Basketball Football Demonstration Command Handwriting Board,Style: 15 Inch Football

1. One-key clear/lock function, easy to use and efficient2. Highlight display, no backlight, no eye damage, sensitive to pressure, smooth writing3. Dot matrix scale, 308 points in the whole field, accurate reproduction of standard stadium size4. For sports classrooms, team training, fast and portable, dust-free and ink-free5. The matching induction pen has a dedicated pen slot, which is not afraid of loss and quick access.6. Material: ABS7. Battery: button battery CR20258. Dimensions: 15" overall size 32.5 x 22 x 0.52cm, screen size 27 x 20.3cm, 20" overall size 46.5 x 32 x 0.52cm screen size 41.2 x 30cm9. Weight: 15 inches 265 grams, 20 inches 896 grams