Features: High efficiency PWM motor speed controller supports DC10-60V input and delivers up to 20A output current, ideal for precise speed regulation in highly power motor applications. compactly design with industrial heat dissipation technology ensures stable performances, featuring linear potentiometer adjustment and 25KHz control frequency for smooth operation. Perfect for engineers, DIY enthusiasts, and industrial equipment manufacturers requiring reliable motor control in robotics, automation systems, or electric tools. Optimized for heavy duty applications like conveyor belts, machines, and electric vehicle components, offering overloads protections and compatibility with brushed motors. Barrier strips terminals and 20cm wiring simple installation, while antistatic packaging safeguards against transportation damage, ensuring long last durability under continuous 450W workloads. Specifications: Component:Plastic+Electronic Devices Size:Approx.77x45x28mm/3.03x1.77x1.1in Input voltages: Dc10-60v Output voltages: Linear Under Load Most Current: 20a (10a, Less Than 450w Suggested, If Continuous Use, Improve Heat Dissipation) Extreme Power: 1200w Speed ​​regulation Type: Current Regulation Speed ​​regulation Method: Potentiometer (Linear) Speed ​​control Duty Cycle Ranges: 0— Control Frequency: 25khz Wire Length: Approx.20cm/7.87inch Package Includes: 1pc PWM Motor Speed Controller note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.