DC 12V-40V 10A PWM Stepless Speed Controller

Control the speed of a DC motor with this controller.
High efficiency, high torque, low heat generating.
With reverse polarity protection, high current protection.
Specification
Model: CCMHC
Working Voltage: DC 12V - DC 40V.
Control Power:0.01 - 400W.
Current: Rated 8A, Max 10A.
Static Current:0.02 A ( Standby ).
PWM Duty Cycle:10% -100%.
PWM Frequency:13 KHz.
Material: Plastic, metal.
Size (L*W*H): 6cm x 5.5cm x 2.8cm/2.36"x 2.16"x1.10"(approx)
4 hole diameter: 3 mm(approx)