FAST HEAT DISSIPATION: Designed with grooved shell, which can dissipate heat well, protect wires from damage and avoid thermal overload.<br> ALUMINIUM ALLOY: The controller is made of aluminum alloy, with light weight, corrosion resistance, wear resistance and long service life<br> The Controller Housing: The outer shell of the controller is made of high-quality metal material with a grooves design, which is able to protect the internal circuitry from thermal overload.<br> High Performance: It is easy to install and use, and is equipped with wiring identification diagrams to provide steady speed and sensitive braking and directional change control.<br> Sensitive Control: The brushless motor controller can provide steady speed and sensitive control of braking and directional changes, providing a satisfying experience.<br> Easy to Use: Our electric scooter brushless motor controller is easy to install and use, and it will not increase your burden or cause additional energy waste.<br> Colour:As Shown<br> Material:Metal+Plastic<br> Package Contents:<br> 1x Mainboard motor controller<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.