Features1Aluminum Alloy Shell: The controller shell is made of aluminum alloy with groove design, which protects the internal circuits from thermal overload due to its good heat dissipation function. 2Good Performance: The controller provides stable speed and sensitive control of braking and direction changes. 3High Temperature Resistant Wire: high temperature resistant wire, all wires use high temperature resistant and flame retardant wire, safer. 4Stable and Reliable: With under voltage protection, over current protection, stall protection and other protection functions to ensure the use and safety of the electric scooter. 5Controller Application: This controller is suitable for electric scooters, electric bicycles, electric tricycles.SpecificationItem Type: Electric Bicycle Controller Weight: 301g / 10.62oz Product Material: Aluminum AlloyVoltage: 52VPackage List1 xController