High Performance: It is easy to install and use, and is equipped with wiring identification diagrams to provide steady speed and sensitive and directional change control. ALUMINIUM ALLOY: The controller is made of aluminum alloy, with light weight, resistance, wear resistance and long service life The Controller Housing: The outer shell of the controller is made of high-quality metal material with a grooves design, which is to protect the internal circuitry from thermal overload. FAST HEAT DISSIPATION: Designed with grooved shell, which can dissipate heat well, protect wires from damage and avoid thermal overload. Sensitive Control: The brushless motor controller can provide steady speed and sensitive control of and directional changes, providing a satisfying experience.