Features1LCD Display: The screen can display single run mileage and run time, real time speed, battery charge and voltage, gear indication, cumulative average speed, real time output power, and total mileage. 2Heat Dissipation: The controller housing is made of aluminum alloy with a groove design, which ensures the internal circuitry away from thermal overload due to its good heat dissipation. 3Powerful Function: The controller has the function of positive and negative power supply, motor 3 phase line, brake light headlight signal, battery power output, and intelligent identification line. 4Easy to Install: This controller and display is suitable for electric bikes, scooters, etc., for 22.5mm diameter handlebars. 5Simple Operation: There is no need for complicated operation steps and connection process, the socket of the meter can be connected to the corresponding socket of the controller to realize the function.SpecificationItem Type: Motor Brushless ControllerMaterial: ABS, aluminum alloyPower: 500WCurrent Limit: 28APackage List1 x Motor Brushless Controller1 xHalf Handle1 x Handle1 x Controller1 x Instruction