Upgraded Mini CNC3018 Engraving Machine Wood Router PCB Milling Machine Plastic Acrylic Wood Carving Machine DIY CNC with GRBL Free Gift: 20 degree tips x 10 ER11 Kit x 1 Mini clamp x 4 Specification: - Control software: GRBL control - Construction: Aluminum + plastic - Working area: 300*180*40mm - Frame size: 400*330*240mm - Spindle: 775 spindle motor (12-36V) 24V: 7000r/min, 36V: 9000r/min - Step motor: 1.3A 0.25N.m - Wire rod: T8 - Power Supply: 24V 5.6A (110V -240V) - Support System: Windows XP / Win 7 / Win 8 / Win10/ Linux - Standard: The complete set of the parts and tools - Engraving materials: Plastic, wood, acrylic, PVC, PCB and other soft materials -Materials that cannot be carved: metal, ceramic, jade, brick, glass, reflective materials. Pacakge list: Standard: As Picture showed without laser head. 500mw: as picture showed 2500mw: as picture showed 5500mw: as picture showed = Package list: As picture showes Important Notice: 1. All the light utilized on this CNC machine cannot work on any metal. The light cannot cut plywood. 2. ER11 needs shrink fitting. Both the spindle and ER11 have the correct diameter, but ER11 is designed to enjoy minus tolerance to the spindle so you cannot put it on directly. 3. Contact us for more details.