ViaGasaFamido DC 46V Digital Display Stepper Motor Remote Controller Set 2Phase 4Wire Adjustable Speed Stepper Motor Driver Board with Remote Controller

Press the digital buttons of the remote controller to quickly change the motor speed., Can control the forward/reverse rotation of the motor., This product can control 2 phase 4 wire stepper motor by motor driver board or IR remote controller., 0-9 shifts adjustable motor speed with digital display., Drive voltage is DC 4-5V, which can be powered by USB, 5V mobile phone charger and battery.