... 12V to 36 VDCPhase Current: adjustable from 1.5 A to 5A(1.5A,2.0A, 2.5A,3.0A, ... .0A,4.5A,5.0A) Resolution: 1/2, 1/8, 1/16 , 1/32 , 1/64 , 1/128 , 1/256 Overheat, Over Voltage, Over Current ... 02.53.03.54.04.55.0S5: 1=dipulse 0=monopulseS6: NCS7: 1=half current 0=full currrentCNC DB25 Breakout ... . High quality with Surface-mount Tech. 3 Axis two-phase Stepper motor Driver 5. 0A + DB25 Breakout Board adapter ...