New Version: Genmitsu CNC 3018-PRO is an upgraded version of 3018; All components do not need to be positioned, which greatly reduces the difficulty of assembly and improves the working accuracy; Capable of cutting all types of plastics, soft aluminum, woods, acrylics, PVCs, and PCBs, etc Upgraded Power Adapter: UL Approved and out-of-the-box support for the drop in 20,000rpm Spindle, no need to modify G-code to ramp up to full speed Controller Software: The Genmitsu 3018-PRO uses Grbl, a high-performance open-source software for controlling movement, and runs on Arduino; Includes CARVECO Maker CAM Design Software and CANDLE for controlling your machine and running your GCODE design files Optional Upgraded Parts: Super Size your 3018 CNC to a 3040 by getting a Genmitsu 3040 Y-Axis Extension Kit; The 3040 Aluminum Spoilboard and 3040 MDF Spoilboard for this extension kit are also available to buy Note: Assembly Instructions and User Guide are provided, please find at the Product Guides and Documents Section below and get everything you might need; If you get stuck, check out the SainSmart Resource Center (see at User Guide) or contact us with any questions that arise