Features: Engineered with 48V 20A high efficiency output, this intelligent brushless motor controllers ensures stable acceleration and precise responsiveness for wheeled electric scooters. strong aluminum housing with optimized thermal management prevents circuit overload while maintaining whispers quiet operation during intense ridings conditions. Ideal for urban commuters, electric scooters enthusiasts, and maintenance technicians seeking professional performances upgrades for personal or commercial vehicles. Perfectly handles steep inclines, crowded city streets, and long distance recreational rides with its adaptive torque control and brake sensitive safety protocols. Designed for seamless integration with brushless motor systems, its corrosion resistant construction and vibration dampening components ensure extended durability across diverse weather conditions. Specifications: Material: Aluminum Size: about 3.5x7x10.5cm/1.38x2.76x4.13inch Package Includes: 1xMotor Speed controllers note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.