FAST HEAT DISSIPATION: Designed with a grooved shell that effectively dissipates heat, helping to protect internal wiring and prevent thermal overload. ALUMINUM ALLOY CONSTRUCTION: The controller is made of aluminum alloy, offering lightweight properties, corrosion resistance, wear resistance, and a long service life. CONTROLLER HOUSING: The outer shell is constructed from high-quality metal with a grooved design, providing protection for internal circuitry against overheating. HIGH PERFORMANCE: Easy to install and use, equipped with wiring identification diagrams for reliable speed control, responsive braking, and smooth directional changes. SENSITIVE CONTROL: The brushless motor controller delivers consistent speed regulation and precise control for braking and direction changes, ensuring a reliable performance. EASY TO USE: Designed for straightforward installation and operation without adding complexity or causing unnecessary energy loss. COLOR: As shown MATERIAL: Metal + Plastic PACKAGE CONTENTS: 1 x Mainboard motor controller Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 1-3 cm.