FAST HEAT DISSIPATION: Designed with a grooved shell that effectively dissipates heat, protects wires, and prevents thermal overload. ALUMINUM ALLOY CONSTRUCTION: The controller is made of aluminum alloy, offering lightweight durability, wear resistance, and a long service life. CONTROLLER HOUSING: The outer shell is constructed from high-quality metal with a grooved design to protect internal circuitry from overheating. HIGH PERFORMANCE: Easy to install and use, equipped with wiring identification diagrams for steady speed control and responsive directional changes. SENSITIVE CONTROL: Provides consistent speed regulation and precise directional control for a reliable riding experience. EASY TO USE: Designed for simple installation and efficient operation without adding complexity or energy waste. COLOR: As shown MATERIAL: Metal + Plastic PACKAGE CONTENTS: 1 x Motor controller mainboard Note: Other items not included. Lighting and display differences may cause slight color variations. Measurement error allowed within +/- 1-3 cm.