Features1Instrument Display Content: Single running mileage and running time, real time speed, battery power and voltage, gear indication, cumulative average speed, real time output power, total mileage, cumulative maximum speed, real time operating current, cruising indication, 6km/h boost and indication of zero non zero start status, etc. 2Controller Harness Function: Power supply positive and negative, motor three phase line, headlight interface, tail light, brake light interface, brake light headlight signal, battery power output, intelligent identification line, low brake power off, PAS1:1 power assist, speed control throttle turner, total electric door (electric lock), LCD meter interface, motor hall interface. 3Use: Easy to install, suitable for electric bike, scooter, etc., for 22.5mm diameter handlebars. 4High Heat Dissipation: The controller housing is made of metal with groove design, which can protect the internal circuitry due to good heat dissipation, thus avoiding thermal overload. 5Waterproof: Light weight, rainproof and durable. Stable performance, increased voltage tolerance, increased voltage adaptation and high reliability.SpecificationItem Type:MotorBrushlessControllerLCDDisplayPanelMaterial: ABS, Aluminum AlloyPower: 500WCurrent Limit: 28APackage List1 x Instrument1 x Half Handle1 x Grip1 x Controller1 x User Manual