1. Six motor core to core, core adjustment, center alignment 2. Artificial calibration and Real-time ARC automatic calibration are optional. 3. The same optical fiber and different opticalfibers are connected in the center. 4.Electrical discharge ARC makes realtime compensationaccording to the pressure, environment and temperature parameter. 5.Two cameras can observe X axes and Y axes at the same time. 6. High resolution 5 inch color LED touch screen, multi languages are customizable. 7.2 USB ports: one for data transmission,one for power supply of LED light