Detailed Product Description Marble Engraving MachineModel: BME4001Voltage: 110V/230VSpindle Power: 2200WSpindle Rotating Speed: 0 ... card (need installed in computer)With 2Pcs Blade for marble engraving, 1box blades for others (plastic & stickers etc), Software (Type3 ... offline to work more convenient and flexible.5. Suitable for engraving other materials, such as wood, plastic, glasses, labels, etc. ...