... Interface, which will allow machine work without connecting computer, more convenient.3.Owns functions of restoring from ... popular in arts and gifts industry.Technical Parameters: Model NO.QD-4050 Wood Laser Engraving MachineWorking Area400mm*500mm ... , Rotary AttachmentApplicable materials: Acrylic, wood, bamboo, organic glass, crystal, plastic, garments, paper, leather, rubber, ceramic, glass and ...