Features1Notched Design: Made of aluminum alloy material, the notch of the shell gives the controller a great heat dissipation function, which can protect the internal circuit so as to avoid thermal overload. 2Applications: Brushless controller can provide stable speed and sensitive control of braking and direction change, suitable for electric bikes, electric scooters, electric tricycles. 3Safe to Use: The use of high temperature and flame retardant wire, with undervoltage protection, overcurrent protection, stall protection and other protection functions, to ensure the use and safety of electric bikes. 4Great Accessory: This brushless controller has a stable and reliable performance, easy to install. replacement for the broken one, provide a better riding experience for you. 5Modification and Conversion: The 48V 800W brushless motor controller can greatly improve the riding fun, and is suitable for cyclists who like challenges.SpecificationItem Type: Brushless ControllerMaterial: Aluminum alloyWeight: Approx. 597g/21.1ozPower: 800WPackage List1 x Brushless Controller