The P9M40 is smaller, more portable and easier to use than a desktop engraver with 5W laser power, and the P9M40 is equipped with a 3.5'' touch screen and supports offline engraving. Compared with Aufero's engraving machine, P9M40 adopts high-quality anodized all-aluminum blade design structure for more stable performance; while Aufero's engraving machine is plastic structure, which is less stable. ATOMSTACK P9 M40 40W Laser Engraver, Portable Laser Engraver. Quadruple Laser Compression Technology & New Upgraded Compressed Spot.Laser cutting machine eye protection compression point 0.06mm. Support offline engraving & 3.5inch independent touch screen. This item is in the category "Business & Industrial\Printing & Graphic Arts\Screen & Specialty Printing\Engraving". The seller is "lifeonwork" and is located in this country: US. This item can be shipped to United States.