Features1Good Heat Dissipation: The controller shell is made of aluminium alloy metal with grooves to protect the internal circuit from thermal overload due to good heat dissipation. 224V 1000W: The controller voltage is 24V, the rated power is 1000W, and the performance is stable and reliable. It has protection functions such as undervoltage protection, over current protection, stall protection, etc., ensuring the use and safety of electric bicycles. 3Stable Speed and Sensitive Control: The brush motor controller can provide stable speed and sensitive control of braking and direction change. 4Wide Application: The controller is applicable to electric bicycles, electric tricycles and electric motorcycles, with a wide range of applications. The thumb throttle is applicable to 12V to 99V electric bicycles, modified electric bicycles, scooters, tricycles. And the thumb throttle is suitable for lithium battery, water battery, dry battery and other batteries. 5Note: Be sure to wire the function line of the control controller, and do not simply wire it with the color of the controller. Once it is connected incorrectly, the controller or handle will be damaged.SpecificationItem Type: Electric Bicycle Conversion KitMaterial: Aluminum alloy, rubber, ABSGross Weight: 614g/21.7ozController Type: Brushed controllerApplicable Voltage of Thumb Throttle: 12V-99VRated Power of Controller: 1000WRated Voltage of Controller: 24VPackage List1 x Controller1 xThumb Throttle2 x Key1 x Front Lamp1 x Switch5 x Wiring Plug Sleeve10 x Accessories