1.【Product Description】: This PWM regulator motor speed controller is a DC motor controller. Please don't use it on AC motors, users should be careful about the usage of our DC regulator speed electric motor controller 2.【Powerful Functions】: Our compact 3A motor speed controller supports switching and forward and reverse functions, making this electric motor speed controller more flexible and convenient to use 3.【High Quality Components】: Electric motor speed controller is made of high-quality electronic components with stable and reliable performance, which can be applied to a wide range of applications 4.【Compact Size】: Our PWM electric regulator motor speed controller is compact, which is very easy and convenient to install in narrow space, so users can save a lot of time and space when they try to install this motor controller 5.【Voltage & Current】: The input voltage of this PWM DC motor speed governor is within the range of DC6V/12V/24V and the applicable current is within 3A, and this motor controller with switch function will be an ideal choice of users to possess and use