Feature:1. Metal Housing: The controller housing is made of metal with grooved design, which can the internal circuit due to its good heat dissipation function, thus avoiding thermal overload2. ABS Meter: The meter adopts ABS material, which is light and durable, has good toughness and waterproof performance, and provides better protection for the internal circuit3. Data display: LCD5 display meter makes it easier to view the data on the panel, such as battery display, light display, brake display, temperature, time, speed, distance function, etc4. Package Contents: The electric modification kit includes controller, LCD5 instrument, shifter, servo actuator, 1 to 2 cable5. Scope of Application: Suitable for 250W, 350W brushless motors, mainly used for DIY electric bicycles, electric vehicles, electric scooters, folding cars, etcHow to Use:Controller description: The wire color definition interface on the controller can be connected to the socket of the accessory to realize the function. For the specific operation, please refer to the wiring diagram and manual.Specification:Item Type: Electric Bicycle Modification KitMaterial: Aluminum Alloy, ABS PlasticController Box: Approx. 82 x 53 x 31mm / 3.2 x 2.1 x 1.2in (manual measurement allowable error)Controller Rated Voltage: DC 36V/48VController Rated Current: 7AController Maximum Current: 15±1AController Speed Setting: 1-4.2VController Brake Input: Low LevelController Low Voltage Protection: DC 30/40±0.5VApplicabl