1. Single circuit design (3 kinds of PCB including receiving PCB, emitting PCB and main control PCB, no jumper).
2. PCB boards are fixed on the AL. base board without screws.
3. High strength substrate board (thickness: 15mm, 12mm)
4. Modularity design, Intelligent pen tray, Electric Mount
5. Auto correction, built-in software with auto diagnose, improving products' maintainability
6. Integrated speaker, wireless Mic, built-in PC
7. Optional function of wireless connection(2.4G RF)