DC Motor Speed Controller 5V 28V 5A Switch Volt Regulator LED Dimmer

equipped】Equipped with tube to protect the speed controller from burning out that short circuit causes. 【self protection】With reverse polarity protection, high current Operating. 【good performance】Controls the speed of a DC motor with this controller. High efficiency, high and low heat generation. 【high quality circuit board】This motor speed controller is made with high quality circuit board which ensures a longer service life. 【convenient knob】Adjusting the potentiometer knob changes the governor output duty cycle and the motor speed changes.