Laser engraving machine-wk40 Applicable materials: wood, bamboo, organic glass, crystal, plastic, garments, paper, Leather, rubber, ceramic, glass and other nonmetal materials Specifications: 1) control system: micro controller 2) buffer capacity: 1mb 3) drive type: stepper motor 4) engraving size: 200mm 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: 110 - 220v / 50 - 60hz Packing as requirement