Features： 1、Meter 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. 2、Applicability: Easy to install, suitable for electric bike, scooter, etc., applicable to 22.5mm diameter handlebars. 3、Heat Dissipation Function: The controller shell is made of metal with groove design, which can protect the internal circuit due to good heat dissipation function, thus avoiding thermal overload. 4、Controller Harness Function Contains: 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、High Performance: Light weight, rainproof, durable. Stable performance, increased voltage tolerance, increased voltage adaptation and high reliability. Specification： Item Type: Motor Brushless Controller LCD Display Panel Material: ABS, Aluminum Alloy Voltage: 36V 48V Power: 500W Current Limit: 28A Low Voltage: 30V 42V Package List： 1 x Instrument 1 x Controller 1 x User Manual