1. quality 3axis control: Our GRBL controller board is made of quality materials and provides reliable control for CNC engraving machines. With a DC1248V power supply, it supports a variety of applications and ensures precise movement control of your stepper motors. 2. Versatile connections: This control board features connectors for X/Y1/Y2/Z stepper motors, a 12V fan, and various options for additional devices (2pin/3pin/2pin2pin). It supports servo motors and limit switches, offering maximum flexibility for your CNC projects. 3. Powerful spindle support: Compatible with spindle motors up to 500W at 48V, it caters to various engraving and cutting applications. The board delivers stable power output for consistent machining results in your DIY CNC projects. 4. Easy USB connection: With the included USB cable, you can connect the control board directly to your computer. GRBLbased control enables straightforward setup and operation of your CNC machine without complicated wiring.