Features 1、Maximum support 5 axis stepper motor driver. 2、Bipolar signal processing. 3、The 5-way input interface can define emergency stop, limit, center finding, tool setting, etc. 4、Relay output control interface, can be connected to the spindle motor, air pump, water pump, etc. 5、Five axis working indicator light, intuitively display working status. Specification Features: Maximum support 5 axis stepper motor driver. Bipolar signal processing. The 5-way input interface can define emergency stop, limit, center finding, tool setting, etc. Relay output control interface, can be connected to the spindle motor, air pump, water pump, etc. Five axis working indicator light, intuitively display working status. Double output interface, convenient for different driving wiring method. Specification: Input power supply: 5VDC power supply or powered by USB Step working axis: Maximum connect 5 axis independent drive Drive method: Pulse + Direction + Enable Signal Weight: Approx. 102g / 3.6oz Package list: 1 * Drive Board 1 * USB Cable Package List