FAST HEAT DISSIPATION: Designed with a grooved shell to effectively dissipate heat, 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 extended service life. CONTROLLER HOUSING: Features a high-quality metal outer shell with a grooved design to safeguard internal circuitry from 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: Delivers consistent speed regulation and precise control for braking and direction changes, ensuring a reliable user experience. EASY TO USE: Designed for straightforward installation and operation without adding complexity or causing energy inefficiency. COLOR: As shown in images MATERIAL: Metal + Plastic PACKAGE CONTENTS: 1 x Mainboard motor controller Note: Other items are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.