Eteyo Engraving Cutting Machine Parallel Port Support Laser Engraver with Usb Co2 Laser 40w 200*300mm This machine employs an USB port and thus can be connected to your laptop or desktop. This brand new DC-KIII CO2 laser engraver is equipped with one 40W water cooling laser tube. USB Port to Computer.MoshiDraw Software Included. Adopt Japan imported mainboard and chip which can control the engraving more precise. Adopt Germany imported bearing and high accuracy stepping belt make the engraving more precise.