<b>Package include:</b><br><br>1 set 3018PRO GRBL Control CNC Engraving Milling Machine Kit<br>1 set ER11 Collet<br>1 set Power Supply<br>10 set 20°0.1mm Drill Bits<br>1 set Allen Wrench<br><br><b>Specification:</b><br><br>Working area: 30x18x4.5cm<br>Frame size: 40x33x24cm<br>Material: Aluminum Alloy<br>Processing thickness:4.5cm<br>Chuck specification: ER11 Collet<br>Control software: Grbl Controller<br>Interface: USB<br>Stepper motor: 42 stepper motor<br>Voltage: 12V, phase current 1.3A, phase resistance 2.1 ohms, torque 0.25N.m<br>Spindle: 775 spindle motor (12-36V) 24V:10000r / min<br>Power: 24V 5.6A power adapter (input voltage 110-240V), simple and convenient<br>System requirements: windows XP SP3, win7. (32/64 can be). Linux; Can't support Apple product<br><br><br><b>GRBL 1.1f,USB port cnc engraving machine control board, 3 axis control:</b><br><br>Connection: USB (USB-CH340)<br>Software: GRBL controller,UniversalGcodeSender<br>Input voltage: 12-24V<br>Master chip: atmel 328P <br>Stepper motor driver: A4988<br>Spindle drive chip: MOSFET (recommendation 12~24V, current : within 10A )<br>Spindle PWM speed: Support<br>Support stepper motor: 12V, maximum current of 2A or less is recommended within 1.5A and additional heat. (Any stepper motor 42, 57)<br>Power Interface: 5.5-2.5mm DC interface<br><br><b>Main application:</b>Can be engraved plastic, wood, acrylic, pvc, pcb, wood and the like material.