Main Function and Characteristic *High-efficient rare earth brush DC motor. (the motor is in the middle of wheels. it is same to electric bicycle motor, no noise) *Digital controller with indication and protection of overload and low voltage. *Speed-adjustable handgrip with Hall unit in the character of smooth and stead. *Braking with power cut-off device to ensure the safe riding. *Double the power for prop upping saving you, operation is more convenient. *High performance storage battery 24V 12Ah offering stronger starting current and long distances **Front & rear absorber system providing a smooth and comfortable riding. *Equipped with battery protector to eliminate the electro polarization and increase the service.