DROK 13KHZ PWM DC Motor Controller DC 12V-40V 10A Motors Electric Pump Fan Speed Stepless Control Module with Reverse Polarity Protection High-Current Protection

12V-40V 10A PWM DC Motor Speed Controller with Knob--High Efficiency, High Torque, Low Heat Generating with Reverse Polarity Protection, High Current Protection

Potentiometer you can adjust power supply output

Features:
Control the speed of a DC motor with this controller
High efficiency, high torque, low heat generating
With reverse polarity protection, high current protection

Package Including:
1 x Motor Speed Controller