Feature:1. Heat Dissipation: The controller shell is made of premium metal with grooved design to prevent the internal circuit from thermal overload due to excellent heat dissipation.2. 24V Brushed Motor Controller: The voltage is 24V, the rated power is 250W, 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.3. Sensitive Speed Control: The brush motor controller can provide stable speed and sensitive control of braking and direction change. It is applicable to electric bicycles, electric tricycles and electric motorcycles, with a wide range of applications.4. Digital Power Display: The electric bicycle thumb throttle handle has a portable power display, which is intuitive and convenient, and can accurately determine the residual power. With cruise function.5. Thumb Throttle: the throttle handle of electric bicycle is applicable to 12V to 99V electric bicycles, scooters, tricycles and other electric bikes. Suitable for lithium battery, water battery, dry battery and other batteries.Specification:Item Type: Bike Motor Controller KitMaterial: Aluminium Alloy, Rubber, ABSGross Weight: 372g / 13.1ozController Type: Brushed controllerThrottle Applicable Voltage: 12V to 99VController Rated Power: 250WController Rated Voltage: 24V.Package List:1 x Controller1 x Thumb Throttle2 x Key5 x Wire Plug Sleeve10 x AccessoryNote: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.