... tracking system,continuous accurate circle engraving function Perfect intellective algorithm,working speed can be 9m/min SD Card / big outside memory ... ,high precisoin,low noise,long life. Specifications:Working area: 1,300 x 2325mmX, Y, Z working area: 1,200 x 1800 x ... /clamp: 2200W/Ø6,3.175Rotating speed: 600 to 24,000rpmSoftware working: Windows 98, 2000 and XP Interface: SD Card output directly ...