Descriprion Easy to installHigh quality and long service lifeFit for electric scooter bicycle e bikeThe display is for right handlebar Specification Motor Speed ControllerMaterial AluminumVoltage 24V 48VPower 350WCurrent 10A 20A 350W15A Function real time speed dispalybattery amount and voltage dispalyaccumulated mileage displayadjustable 3 gears displayintelligent learningpower on the anti speedlow brake 1 1 powerafter power up the debugging learing is allowed in 2 minutesLength Of Meter Wire 150cm Controller Wiring Instructions Motor line Big Yellow Big Blue Big GreenPositive and negative pole and electric door lock Big red big black small red integrationStudy line Two white line black headHolzer line Five wire plugTransfer line Black red and green composite plugBrake line and EABS function Purple Black WhiteDisplay Menues Setting P01 Backlight brightness level 1 is the darkest level 3 is the brightest P02 Mileage unit 0 KM 1 MILE P03 Voltage level 24V 36V 48V P04 Sleep time 0 no sleep other numbers are sleep time range 1 60 unit minutes P05 Assist gear 1 3P06 Wheel diameter unit inch precision 0 1P07 Number of speed magnets range 1 100 P08 Speed limit speed percentage range 0 100 100 means speed 100 P09 Zero start non zero start setting 0 zero start 1 non zero start P10 Drive mode setting 0 Power a