CCD Camera laser cutting machine size:900*600mm 1200*800mm 1600 ... , it's not necessary to connect to the computer, in this case, it not only enjoys high anti-interference, ... , if there's no water or the water flows in opposite direction, there'll be no laser, which protects ... laser tube in an effective way. Engraving size:900*600mm 1200*800mm 1600*1200mm 1200*600mm 1600*1200mm CCD Camera laser cutting ...