Description: This 2500 mW DIY desktop blue laser engraving machine is ideal for amateur laser engraving usage with grayscale printing,low-light positioning and freedom positioning functions.It only need you to connect it to the computer,then you can print any pictures your like with your own creativity. Specifications: Machine Finished Size: 34cm * 37cm * 21cm (excluding laser height) Maximum Engraving area: 15cm * 20cm Machine Packing size: 49cm * 40cm * 13cm Machine Package weight: 4.5KG Laser modules: 12V high power laser modules (with fan) Power Selection: 2500 mW Carving materials: bamboo, wood, paper, plastics, leather, etc. Stepper motor: Y-axis dual track precision stepping motor 42 Control board: USB standard 2-axis control board Control software: bitmap print Dummies Edition (Benbox) / Senior passes engraving (GRBL) Rack Material: High grade Alumiunm lasar cut acrylic full set stainless steel screws Power Selection: 12 V2.5A DC power adapter (100-240V universal voltage) Engraving Material Note: 1.can engraving materials:wood,bamboo,plastic,paper,leather,bank card,rubber 2.can not engraving material:metal,stone,ceramic,shell,light-reflecting material,transparent material Cutting Material: It can only cut foam,paper,thin leather material. Note: 1.we have uploaded the software in the netdisk can runing in windows XP/7/8,the link is here(just click it):software 2.Please do not use it for working continuously mort than two hours then please reset for about half an hour,othwise it may damage the laser module enve burn out,kinly hope your understanding. 3.Please wear a goggles during engraving This machine is only designed for microsoft system, not compatible with MAC system, Please do not buy if you do not have a microsoft system Please enter the website, try to download the special software, if you can not download the software, you will not be able to use