2. 0-9990 four digit digital tube, scale percentage meter, dual use analog tachometer, 9-item speed adjustment increment value, fine adjustment, fast adjustment 4. Forward stop and reverse three gears, forward rotation and reverse rotation, arbitrary switching Supports dual speed, different directions, and different rotational speeds. Digital display menu options are intuitive and easy to understand, and setting modifications are convenient and fast 3. Multiple startup modes, more diverse handling, and more versatile use. Power off memory function, one-time setting, long-term use 1. Soft and soft stop, dual protection for motor and power supply. Lower limit of speed, limit minimum speed, and reduce minimum space for starting 5. Embedded knob switch, integrated body, more exquisite appearance. Knob+button speed regulation, 360 degree mechanical feel knob, membrane button. Wide voltage range, suitable for 6-55V, application range for motors, Weight: 0.55776952286 pounds, Manufacturer: Teuypty