Features1Complete Kit: This kit includes a 128DX throttle grip with display, a handle grip, a controller, and an instruction manual, making it suitable for converting electric bikes and electric scooters. 2Efficient Heat Dissipation: The controller housing, made of metal with a grooved design, ensures heat dissipation, protecting the internal circuit and preventing overheating. 3Stable Performance: Lightweight, waterproof, and durable, this conversion kit exhibits stable performance, ensuring it can withstand and adapt to increased voltage while maintaining high reliability. 4LCD Display: The clear LCD screen provides easy to read status and data display. The backlight design allows for visibility in dimly lit environments, while the buttons enable quick operation and convenient use. 5Versatile Usage: With a voltage range of 36V to 48V, a power output of 500W, and a current limit of 28A, this kit is for adventurous and DIY enthusiasts who seek challenging rides.SpecificationItem Type: Electric Bike Speed Controller KitMaterial: ABS, aluminum alloyWeight: Approx. 797g/28.1ozPower: 500WCurrent Limit: 28APackage List1 x Throttle Grip with Display1 x Handle Grip1 x Controller1 x Specification