Features1The driving motor starts more smoothly and riding is more comfortable. 2Strong climbing ability, low motor running noise, eliminating tire noise. 3Suitable for electric bicycles and electric scooters. 4Professional manufacturing, stable performance and high reliability. 5The uphill torque of the controller is increased, the power is enhanced, the speed can be faster, the stability of the drive motor is better, and the life of the controller is longer.SpecificationItem type:ElectricScooterControllerMaterial: aluminium alloyColor: As picture shownSize: Approx. 18.2x8.8x4.5cm/7.2x3.5x1.8inWeight: Approx. 545gPower: 500WConnector function:1. Red black and orange (power cord + electric door lock cord)-3 heads2. High storage battery brake cable3. Low storage battery brake cable4. Anti-theft power cord5. Turn handle line6. Motor for Hall7. Third gear overspeed8. Anti-theft alarm9. Yellow green and blue 3 round head-motor cable (3 pcs)10. White line black head-learning line (2 pcs)11. Green line green head-instrument line12. Orange Blackhead-Cruising Line13. Black line black head-cruising line14. Black gray line-white connector-reversing function15. Blue transparent head-LCD meter16. Blue white line black line-blue head-jog three speed17. Pink paired wire: mute function(Total 22 contacts)Package List1 xController