Features: Built-in DIP switch for easy adjustment of drive segments. Integrated drive stage to prevent chip short circuits, integrated heatsink. Terminal power connector for easy connection of drive current. Compatible with 12/24V drive schemes. Supports: offline controls, external high-power drive, emergency stop, reset, continue, pause, limit switches, meeting diverse needs. Both the data transmission chip and the main control chip use an external crystal oscillator; transmission operation is more stable. Can be used for laser engraving machine, box machine, CNC engraving machine. Specifications: Material: Plastic Size: As the picture shows Note: Please allow 1-2cm errors due to manual measurement, make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you for your understanding. Package includes: 1x 3-axis control board