Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Features: 1.MA MB phase line output connection motor 2. 5V GND motherboard comes with 5V supply (current does not exceed 30MA) 3.VCC GND motor main supply (external DC supply) 4. speed signal output 5 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 cycle to support dual signal input speed regulation) Ha and5V GND Hall signal input, generally with Hall's motor has corresponding lines Full process Stable performance with positive/reverse function Motherboard specifications: Product Name: 400W Brushless Hall DC Motor Driver Number: ZS-X11D1 Operating voltage: 6-60V Maximum current: rated 16A 20A : 400W Overcurrent protection: Yes Product size: length 63MM x width 45MM x height 31MM Weight: about 73g. colour:as shown Material: ABS Package Contents: 1 x Motor Controller Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm. 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.