This adjustable speed controller utilizes (Pulse Width Modulation) technology to ensure smooth and efficient motor operation. The controller allows users to easily adjust the motor speed and direction using a potentiometer control switch. It is for hobbyists and professionals who need reliable motor control for their projects. Features -Color:Green -Material:Plastic -Size:7.40X4.70X4.00cm/2.91X1.85X1.57in -Precise motor control: enables accurate forward and reverse control and speed adjustment for dc motors, providing excellent motor operation -Reliable performance: incorporates control algorithms and durable electronic components to with the controller's stability and dependability -Versatile functionality: offers multiple speed control modes and methods to meet diverse application needs -Easy to use installation: features a compact design and straightforward wiring for quick and easy installation and setup -Extensive use: ideal for controlling a variety of dc motors, extensively applied in industrial automation and machinery Package list: 4 x DC Motor Speed Controller