Rated parameters of 36V, 250~350W; current limit is 14A; sinusoidal FOC control; adaptable wheel diameter of 16 ~ 28 inches; protection grade reaches IP66. The body size is only 69.8 × 48.8 × 24mm. The core electronic components adopt automobile components, and the core productions are all automated processes, without manual operations, which ensures the high quality of the products and the consistency of the process. This controller is compatible with torque and cadence sensor, Hall or Hall-less motors; deeply adapted to independent motors to achieve ample power, stability and efficiency, smooth riding, and intervention to exit the smooth driving effect. It can be adapted to many types of vehicles such as city, mountain, travel and road bikes.