Features:

• Connection: USB (USB-CH340)
• Software: GRBL controller, Universal Gcode Sender
• Master chip: Atmel 328P (Arduino nano)
• Stepper motor driver: A4988
• Spindle drive chip: MOSFET, the highest 60V (recommendation within 48V, current :within 10A )
• Support stepper motor: 12V, maximum current of 2A or less is recommended within 1.5A and additional heat. (Stepper motor 42)
• Laser engraving: Support 500mw, 2500mw, 5500mw laser

Note:

Stepper drivers are not included. Photos are for demonstration purposes only.