【SPEED CONTROL KNOB】This knob can adjust motor speed and display in real time,it's easy to use
【APPLICATION】Widely used in packaging, printing, food, electronics, instruments, medical equipment, clothing industry production line for speed drive device
【 FEATURES】It has compact size, high precision, wide speed controlling range, and long service life
【BUILT-IN CAPACITOR】This speed controller has built-in capacitor, supporting CW/CCW rotation