The motor speed controller module features a sturdy design that supports both forward and reverse motor operation. Its variable control module allows for fine-tuning of motor speed, ensuring optimal performance in various scenarios. Whether you're working on a robotics project or an electric vehicle, this controller provides the precision and reliability you need. Features -Color:Multi -Material:Metal -Size:5.00X3.20X1.50cm/1.97X1.26X0.59in -Consistent speed management: maintain consistent motor speed management for improved equipment performance and accuracy -Dualdirection switching: easily switch motor direction to accommodate various applications, enhancing device adaptability -Advanced pwm efficiency: leverage advanced pwm efficiency to reduce power consumption and extend battery life, ideal for portable devices -Sturdy overload defense: protect your motor from overload damage with sturdy overload defense, ensuring stable and reliable operation -Streamlined interface: enjoy quick and easy installation with a streamlined interface, reducing development time and accelerating product launch Package list: 4 x DC motor speed regulator