Features 1、Easy Installation: Suitable for electric bike, scooter, etc., suitable for 22.5mm diameter handlebars. 2、Instrument 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. 3、Metal Housing: Controller housing is made of premium metal with groove design, which can protect the internal circuitry due to good heat dissipation function, thus avoiding thermal overload. 4、Controller 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. 5、Stable Performance: Light weight, rainproof, durable, increased voltage tolerance, increased voltage adaptation and high reliability. Item Type: Motor Brushless Controller LCD Display Panel Material: ABS, Aluminum Alloy Power: 500W Current Limit: 28A Package List 1 x Instrument 1 x Controller 1 x User Manual