Rated Voltage: 36V/48VLow Voltage : 31V/42V±0.5VRated Power: 350WLimit Current: 17Acolor: Whitematerial: metal1. pointer meter line2. motor line3.3-speed line4.Anti-theft alarm line5.self-learning line6.hall line7.throttle line8.low brake9.Anti-theft power line10.Cruise speed line11.battery(2 red wires battery +,black battery -)12.high brakeconnect the motor line (color to color)connect the battery line(2 red wires :battery + , black:battery-)connect the controller throttle line(color to color)connect the hall line(if motor without hall line, don't need connect)docking the two self-learning lines, the wheel will forward or reverse.(1.if wheel forward ,Separate the self-learning line.2.if wheel reverse, Separate the self-learning line. Docking the self-learning line again,if wheel forward ,Separate the self-learning line.)other functions can be connected as needed.Package Contents:1 x EBike Brushless ControllerOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.