Specification:Item Type: Electric Bike Conversion KitMaterial: Aluminum Alloy + ABS PlasticColor: As Picture ShownApplication: for 250W, 350W MotorGross Weight: Approx.524g/18.5ozProduct Size: Controller Box 82x52x31mm/3.2x2.05x1.22inController Rated Voltage: 36V DC /48V DCController Rated Current: 7AController Maximum Current: 15±1AController Speed Setting: 1-4.2VController Brake Input: Low LevelController Low Voltage Protection: DC 30/40±0.5VConnector Type: Fully Waterproof ConnectorLCD7C panel functions: Up button, switch, button, button down, power assist sensor indication, battery capacity indicator, power, function, real time cycling, total travel time, the gas shows, 6 km/h thrust power system, the cycling speed (metric system), maximum speed, average speed, travel distance, total distance, battery voltage, brake display, backlight and headlights.How to Use:Controller description: The function can be realized by connecting the line color definition interface of the controller to the socket of the accessories. For specific operation, please refer to the wiring diagram and instruction manual.Controller cable color definition:1. Red and black single cable: power cable2. Black single thick cable (9 pin) : motor cable3. Black single cable (9 pin) : 1 to 2 cable4. Black single cable (3 pin) : power assist sensor cableDescription of 1 To 2 cable: one end is connected To the controller, and the other ends are connected To the panel and thumb throttle.Package List:1 x Motor Controller1 x Panel1 x Panel Manual 1 x Thumb Throttle1 Assist Sensor1 x Controller Wiring Manual1 x 1 to 2 CableNote:Conversion kit must be fully waterproof.