... and quality CO2 laser tube 3.DSP control system, rich function Omni 1390 laser cutting&engraving machine for Acrylic, MDF, ... over 3000 hours.2. DSP control system, rich function, can approach engraving on plane, gradient engraving by 360 degrees, cutting ... and drilling holes etc.3. With function of restoring from poweroff, continuation function from break point.4. Transmit files directly ...