Direct USB, plug and play, no USB drivers requiredWorks on Mac systems with Signcut software;Windows 7 and 8 compatibleCutting head with 4 wheelsAluminum alloy construction, ABS end caps, welded steel standAvailable with ARM for fully automatic contour cuttingStraight-line Max. speed: 800 mmsCurve Max. speed: 300 mmsMotor & Driver: Stepper motorMotor power: 40wattServo motor speed: 0-3500 RPMCPU: 64 DSP0-3000 RPM time: < 20 MS (idle load);