Engraving Machine can be used to engrave and cut wood, metal,PVC. PCB and other material Features:Machine body:whole cast ... .5kW variable speed, water-cooledmotor or 2.2KW(optional) or 3KW(optional) Spindle speed:0 - 24,000rpmBlade diameter:3. ... or DSP (USB interface) (optional)Command:G code, u00, mmg, pltRunning circumstance temperature: 0 - 45°CRelative humidity:30% - 75% Engraving Machine China