Features： 1、Motor Controller: Sine wave three mode scontroller, matched with brushless motor with self learning function. 2、Wide in Matching: Applicable to 24V250W, 24V350W, 36V250W, 36V350W, 48V250W, 48V350W, hall and non hall brushless motors. 3、Better Design: The controller shell is made of metal with grooved design. Due to its good heat dissipation function, it can protecting the internal circuit to avoid thermal overload. 4、Display Screen: The instrument is made of ABS material, which is light, durable, fine and has good toughness and waterproof performance, providing better protection for the internal circuit and making it more durable. 5、Broad Application: For DIY electric bike, electric bike, electric scooter, folding car, etc. It is easy to maintain. The lithium battery modification of bikes greatly improves the fun of riding, and is suitable for cyclists who like challenges. Specification： Item Type: Motor Brushless Controller Material: Aluminium alloy, ABS plastic. Voltage: 24V, 36V, 48V universal. Package List： 1 x Motor Brushless Controller 2 x Washer 2 x Screw 2 x Nut 1 x Controller User Manual 1 x Controller 1 x Thumb Throttle 1 x Power Assist Sensor  1 x User Manual