Features of Engrave Machine: 1) Control system: micro controller 2) Buffer capacity: 1MB 3) Drive type: stepper motor 4) Engraving size: 220mm x 200mm 5) Engraving speed: <200mm/s 6) Laser tube type: CO2 sealed glass 7) Laser power: 40W 8) Engraving accuracy: 0.025mm 9) Control panel: English 10) Power AC: 220V / 50Hz or 110V / 60Hz 11) Warranty: 12 months