Controller Function: Name: Intelligent dual-mode brushless controller ?Power: 3000W ?Voltage: 48V-84V ?Current limit: 80A ?Undervoltage: automatic identification ?MOS tube: 24mos ?Phase: automatic identification (60 ° / 120 ° all can fit) ?Brakes: low brake / high brake ?Size: 225 * 118 * 68 mm 1.hig brake 2.low brake 3.jog 3-speed 4-speed(normal not need use) 4.hall 5.electric lock 6.self-learnig line 7.throttle 8.one-line LCD meter 9.pointer meter 10.reverse 11.3-speed 12.cruise 13.anti-theft signal 14.anti-theft power supply 15.motor 16.battery (red:battery +,black:battery -) How to connect controller? 1.connect the motor line (color to color) 2. connect the battery line(red:+ , black:-) 3. connect the controller throttle line, electric lock(if throttle not have electric lock, controller electric lock docking,if controller electric lock is 1 wire,can connect to battery + ) 4. connect the hall line(if motor without hall line, dont need connect) 5.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.) 6.other functions can be connected as needed.