Features1Brushless Motor Controller: Can provide stable speed and sensitive control of braking and direction changes. 2Easy to Operate: 866 LCD display socket can be connected to the instrument interface of the controller to realize the function. 3Strong Compatibility: Electric bicycle brushless motor controller is easy to install and use, LED display, suitable for 22.2mm/0.9in handlebars. 4Good Heat Dissipation Function: Controller shell is made of metal with groove design, which can protect the internal circuit and avoid thermal overload. 5Display Data: Single running mileage and running time, real time car speed, battery power and voltage, gear indicator, cumulative average car speed, real time output power, total mileage, cumulative maximum car speed, real time working current, cruise indicator, 6km/h boost And indication, zero/non zero start state, etc.SpecificationItem Type: 866LCD Instrument and Controller KitColor: As Pictures ShownPower: 350WCurrent Limit: 13AMaterial: Aluminum AlloyWeight: Approx.357g/12.6ozController Box Size: Approx. 9x5.3x3cm/3.5x2.1x1.2inPackage List1 x Controller1 x Instrument1 x Manual