1,5.6A MAXIMUM OUTPUT CURRENT: Power supply voltage up to 48V, output current peak up to 5.6A, possess stable structure and excellent performance 2,200KHZ PULSE RESPONSE: Microstep driver adopt optical isolation, maximum pulse response frequency is 200KHz. Aluminum material possess good corrosion resistance 3,LOW SPEED WITH LITTLE NOISE: Digital stepper motor driver has low speed, zero vibration, and very little noise, which will not bother others 4,HIGH ACCURACY POSITION: Strong interference resistant ability, can achieve high accuracy positioning in the harsh environment of the power grid 5,2 CONSTANT CURRENT PWM OUTPUT: 2 Phase stepper motor driver using dual constant current PWM drive output, natural cooling, guarantee long service life Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.