Features1Easy Installation: Suitable for electric bike, scooter, etc., suitable for 22.5mm diameter handlebars. 2Instrument Display Content: Single running mileage and running time, real time speed, battery power and voltage, gear indication, cumulative average speed, total mileage, cumulative maximum speed, cruising indication, 6km/h boost and indication, real time running power real time running current etc. 3Metal Housing: Controller housing is made of metal with groove design, which can protect the internal circuitry due to good heat dissipation function, thus avoiding thermal overload. 4Controller 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. 5Stable Performance: Light weight, rainproof, durable, increased voltage tolerance, increased voltage adaptation and high reliability.SpecificationItem Type:MotorBrushlessControllerLCDDisplayPanelMaterial: ABS, Aluminum AlloyVoltage: 36V 48VPower: 500WCurrent Limit: 28ALow Voltage: 30V 42VPackage List1 x Instrument1 x Controller1 x User Manual