Features: Suitable for power device like fan conversions and drills, this 20A brushless deliver double directional power output for application. Engineered with electronic component, it ensuring heat dissipation under heavy duty operation. Ideal for enthusiasts and professional motor control solution for project involving drones, power tool, or ventilation systems. Perfect for upgrading cooling fan in workshops, optimizing electric drill, or enhancing motor efficiency in model and industrial equipment. Outperforms standard with advanced interference technology and current management, maintaining control across variable loads and operating environment. Specifications: Component:Plastic Size:Approx.24x12mm/0.94inch Package Includes: 1Pc Brushless Motor Driver note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.