1.High performace,low power consumption 2.High microstep,high torque 3.broad voltae range 4.wide output current range: ... ,DIR +,DIR-:Stepping motor direction input, voltage level touched off,high towards, low reverse7,ENA+,ENA-: motor free .NOTE:1, When ambient ... jump5,installation dimension Stepping motor driver,1.3A-4.5A,high quality and reasonable price