100khz Usb Cnc Stepper Motion Controller Board. Features: Support for 4-axis Linkage, You Can Connect Four Stepper Motor Drives or Servo Drives. Maximum Step-pulse Frequency is 100KHz,which is Suitable for the Servo or Stepping Motor. Support Automatic Probe Tool. Support Emergency Input. Support for Limit Switch. Support for Connecting Electronic Hand Wheel. Need Use External 24V DC Power Supply to Isolate USB and External Port, and to Make the System More Stable. Have 0-10V Output Port, You Can Use Mach3 Software to Control the Spindle Motor Speed. 4 General-purpose Inputs, You Can Connect the Limit Switch, Estop Switch, Probe Switch, Back to Zero and Other Device. Specifications: Application: Milling Machine Model Number: Mach3 4axis Control Card Size: 8x7.7cm or 3.15x3.03inch Package Included: 1 X USB CNC Controller Card 1 X USB Cable 1 X CD . We are an international based seller that will ship your order from abroad, please at least a minimum 14 working days for delivery right now due to the ongoing delays in shipments globally.