... ,100w,150w ,180w for option) 3)Working Voltage:AC220V Laser machine DW-1280 DW-1280 Laser Engraving and Cutting MachineMachine Performance ... table DSP Off-line operation with usb flash Applicable materials: wood, bamboo, jade, marble, organic glass, crystal, plastic, garments, paper, leather ... technical support by email or callingUser-friendly English manual for machine using and maintaining