1、Has a USB interface and no driver installation required. 2、Support 3-shank linkage, can output at 500KHz at the same time, connect to servo / step, any one of the shank can be configured as pulse spindle 3、2 real-time electronic handwheel (MPG) input port, which can be connected to 2 electronic handwheels at the same time 4、When the MACH3 electronic handwheel is set in multi-step mode, it has the same real-time performance as the CNC machining center, running smoothly, no delay on the control board, and the performance of the mechanical system is fully utilized 5、16 universal digital input points, corresponding to 16 LED indicator, custom configuration function in MACH3 6、3 dual-channel 10Mhz high-speed optocouplers, 26 general-purpose optocouplers, a total of 29 optocouplers, all inputs / outputs are isolated 7、High cost design provides complete anti-interference performance and perfect safety protection 8、No PC intervention required, signals are processed independently by the motion control card, ensuring you have real real-time and reliability 9、Supports all versions of Mach3, supports all versions of for Windows XP to for Windows 10 (32-bit / 64-bit), all for Windows versions are plug and play 10、Chip firmware support upgrade, users can continuously get the latest feature support