1. No Consumables

   No need of chalks or marker pens, any objects with proper hardness can be used as
   writing tools, even your fingernails.

2. One-Key Erasing

   Press one key to erase the whole surface, time-saving.

3. Eco-Friendly, No Pollution

    No dust or mess while writing, paper and energy saving.

4. Power Supply

    Rechargeable inbuilt lithium battery, power consumption for erasing only.
 

5. No Electromagnetic Radiation

   The handwriting is displayed by natural light reflection, no radiation, eyesight 

   protective.