Features1Using singlechip as main control chip, control and protect motor and battery of electric bike, improved reliability and service life. 2With undervoltage protection, overcurrent protection, stall protection and other protection functions, ensures the use and safety of electric bicycles. 3Suitable for electric bicycle, electric tricycle, electric scooter. 4Made of high quality aluminum and plastic material, sturdy, durable and long service life. 5Professional manufacturing, stable characteristics and high reliability.SpecificationItem Type: Controller Throttle Grip KitMaterial: Aluminium + PlasticColor: As Pictures ShownRated Power: 500WRated VoltageDC36VUndervoltage31.50.5VShifter Handle1-4VWeight: Approx. 391gController Box Size: Approx. 8.3x6.6x3.8cm/3.27x2.60x1.50inchPackage List1 x Controller1 x Pair of Throttle Grip