Features: Leadshine original D860H | MA860H microstepping drive. Input voltage :Up to 80VAC or 110VDC. Output current Up to 7.2A. Pulse input frequency up to 300 KHz. Automatic idle-current reduction. Over-voltage, over-current protection. Suitable for 2-phase and 4-phase motors. Support PUL/DIR and CW/CCW modes. Operating Temperature : 70 C.