DC motor controller pwm dc motor controller 12v

Specifications: 

 Item size: (L*W*T):10.7 x 5.5  x3.8cm/4.21"x2.16"x1.49"(approx)
 Net weight: 90g

Important Notes
An appropriately rated fuse (rated a little higher than the maximum
current you expect to draw) is recommended to ensure safe operation.

The controller is NOT reverse-polarity protected and will be


damaged if connect the supply voltage with wrong polarity. Double
check all connections before applying power and always turn off the
power supply before making any wiring changes.

Package include:
 1 x Speed Control Switch