... area:500X300MM, 2.laser power;60W, 3.interface:USB 2012 Hot Sales Laser Engraving MachineFeatures of laser engraving machine:1.Working size ... ,4.Water cooling,5.Material: Wood, Bamboo, Stone, Organic Glass, Plastic, Cloth, Rubber, Arcylic, Paper, Leather, Ceremic, Glass and other nonmetal ...