It is 71-inch large projection type digital board. It is equipped with one and only COS sensor in Korea enables you to write on the board with hand or any other tools.
* Product Features
- Hand-touch type Combus Optical Sensor
- Touch Resolution 32765 x 32765
- Can be written or recorded with hands or any other tools.
- Smoothly write on the screen
- World's Best Transmission Speed 130p/s, 10ms Response Time