Type: motor controller Material: aluminum alloy Voltage: 36v-84v universal, after connecting the learning line, identify the voltage according to the battery condition. Power: 1000W-2000w all can work Current Limit: Rated current 45A, maximum output 50A. Condition: Since the process is die-casting and injection molding, the product itself will have small flaws, but we guarantee that the product and internal components are 100% brand new items. 1.hall line 2.low brake 3.differential motor dedicated 4.anti theft power supply 5.anti-theft signal 6.key lock 7.Multi data instrument cable 8.reverse 9.3-speed 10.Intelligent recognition（self-learning line） 11.cruise 12.throttle 13.Phase line speed display 14.high brake 15.Hall speed speed display how to connect ？ 1. connect the battery 2. connect the controller throttle line（color to color），connect electric lock （if your throttle not have key lock，controller key lock can be shorted） 3. connect the hall line(if motor without hall line, don't need connect) 4.docking the two intelligent recognition lines, the wheel will forward or reverse. (1.if wheel forward ,Separate the intelligent recognition line. 2.if wheel reverse, Separate the intelligent recognition line. Docking the intelligent recognition line again， if wheel forward ,Separate the self-learning line.) 5.other functions can be connected as needed.