★ Energy-saving semi-automatic current lock function, built-in temperature protection and over current protection, under voltage protection, Preventing reverse. ★ Professional two phase stepping motor driver, which can realize the motor positive or inversion control. The driver has the characteristics of low noise, small vibration and stable operation. ★ Suitable for any small-and-medium automatic equipment with CNC controller, such as X-Y-Z tables, labeling machines, engraving machines, and pick-place devices. ★ High speed optoelectronic isolation signal input. Single-chip bipolar sinusoidal chopper ensures low vibration and high efficiency. ★ We strive to provide you with high quality and convenient service. You are welcome to contact us if you have any problem about our product, we will give you a satisfactory reply.