Features1Applicable Motors: Various brands of high speed, differential, wheel hub, toothed, toothless, brushless motors. 2Easy to Operate: LED display socket can be connected to the instrument interface of the controller to realize the function. 3Good Heat Dissipation Function: Shell is made of aluminum alloy with groove design, which can protect the internal circuit and avoid thermal overload. 4Strong Compatibility: Electric bicycle brushless motor controller is easy to install and use, LED display, suitable for 22.2mm/0.9in handlebars. 5Dual Mode Controller: Intelligently recognize the state of the motor Hall, switch the working mode, if the Hall is normal, there will be Hall operation, and switch to no Hall operation when it is damaged.SpecificationItem Type: LED Instrument and Controller KitColor: As Pictures ShownPower: 500WCurrent Limit: 28AMaterial: Aluminum AlloyWeight: Approx.756g/26.7ozController Box Size: Approx. 15x8.5x4.5cm/5.9x3.3x1.8inPackage List1 x Controller1 x Instrument1 x Manual