Features1Adopt single-chip microcomputer as the controller main control chip to control and protect the motor and battery of the electric vehicle, and improve the reliability and service life of the product. 2With protection functions such as under-voltage protection, over-current protection, stall protection, etc., ensuring the use and safety of electric bike. 3Intelligent control, reliable protection of electric bicycle motor and battery. 4With long line thumb throttle grip, easy to operate. 5Wonderful accessory for electric bicycle.SpecificationItem Type: E-Bike AccessoryModel:JK-3CMaterial: aluminium alloyColor: As picture shownWeight: Approx. 345gVoltage: 24VCurrent: 21 1APower: 250WPackage List1 x Controller1 Pair xThumb Throttle Grip