brand new and high quality. Small size, light weight, large output. High reliability, good stability, strong adaptability, simple maintenance. So you can use it safely.

Specification:
Condition: Brand New
Material: PCB
Color: Green
Driving Voltage: DC5-12V
Working Voltage: ≤1.2A
Speed Adjustment: 0%-100%
How to identify the four-wire motor common port:
Test these four terminals with the multimeter's resistance* gear, one of them the of the terminal and the other three terminals is the smallest and equal. So this is a COM terminal.
Size: Approx. 6 * 4.5 cm / 2.3 * 1.7 inch
Weight: Approx. 22 g

Package List:
1pc * 5V-12V DC Brushless Motor Driver Board Controller

Note:
1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding.
2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.
3.Brushless motor line of receiving terminal drive plate must be pressed sturdiness, poor will lack of phase and burn out the chip.Board terminals fixed screw clearance, please use coarser line connected to the board.