Features: 1. MA, MB, MC phase line output for motor connection 2. 5V GND output provides 5V power supply from motherboard (current does not exceed 30mA) 3. VCC GND for motor main power supply (external DC power supply required) 4. SC speed pulse signal output 5. Positive and negative reversing control interface (can be connected to external switch) 6. VR speed control signal input with onboard potentiometer; supports 0-5V analog or PWM duty cycle input for dual signal speed regulation 7. Ha, Hb, Hc, +5V, GND Hall signal input; compatible with motors equipped with five Hall sensor lines 8. Full patch process ensures stable performance with forward and reverse function Motherboard Specifications: Product Name: 400W Brushless Hall DC Motor Driver Model Number: ZS-X11D1 Operating Voltage: 6-60V Maximum Current: Rated 16A, Peak 20A Power: 400W Overcurrent Protection: Yes Product Dimensions: 63mm (L) x 45mm (W) x 31mm (H) Weight: Approximately 73g Color: As shown in image Material: ABS Package Contents: 1 x Motor Controller Note: Light shooting and different displays may cause slight color variation between the item in the picture and the actual product. Measurement error is +/- 1-3cm.