Features: 1.MA MB phase line output connection motor2. 5V GND motherboard comes with 5V power supply (current does not 30MA)3.VCC GND motor main power supply (external DC power supply)4. speed pulse signal output5 positive and negative reversing control interface (also can be connected to the external switch)VR speed control signal input (onboard with potentiometer speed control can also be connected to 0-5V analog simulation PWM duty to support dual signal input speed regulation)Ha +5V GND Hall signal Power input, generally with Hall's motor has corresponding linesFull process Stable performance with positive/reverse functionMotherboard specifications:Product Name: 400W Brushless Hall DC Motor DriverModel Number: ZS-X11D1Operating voltage: 6-60VMaximum current: rated 16A 20Apower: 400WOvercurrent protection: YesProduct size: length 63MM x width 45MM x height 31MMWeight: about 73g.colour:as shownMaterial: ABSPackage Contents: 1 x Motor ControllerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.