The electric bicycle controller is the core control device used to control the start, operation, forward/backward, speed, stop, and other electronic components of the electric bicycle motor. It is like the brain of an electric bicycle and an important component on the electric bicycle. Electric vehicles mainly include electric bicycles, electric two wheeled motorcycles, electric tricycles, electric three wheeled motorcycles, electric four wheeled vehicles, battery cars, etc. Electric vehicle controllers also have different performance and characteristics due to different vehicle models. Name: Controller for brushless motor. Low voltage protection: 41V. Throttle adjustment voltage: 1.2V-4.4V. Product Type : JH4AS3078DZXJ. 1 x Motor Controller.