... optional) air cooling 80 sets/month SH-YIE Laser 3D Subsurface Engraving MachineMain Characteristics:1. The machine ... Technology, DSP, 3 DimensionCooling wayAir coolingNet weight65KGMachine dimension580x550x700mmRemarkLaser module, servo motor, servo device, axis rod, focusing lens ... 1 set of operating computer(relative software for laser image and laser control installed),operation manual, 1 pair of ...