1.High performace,low power consumption 2.High microstep,high torque 3.broad ... Stepping motor direction input, voltage level touched off,high towards, low reverse7,ENA+,ENA-: motor free .NOTE:1, When ambient ... damaged, but the electrical machinery runs abnormally, shake , and output is small.Please check whether the wiring of electrical ... Stepping motor driver,1.3A-4.5A,high quality and reasonable price