Supported Models: For 1S, Pro, Pro 2. If you want to install it on an M365 scooter, you need to replace the Bluetooth board with our version, and the motor must be upgraded to a higher version. Attention: A. Please verify your scooter model to ensure it is compatible with 1S/Pro/Pro 2. This product is designed for original models only. Compatibility with copied models is not guaranteed. To use this controller, you may need to replace the Bluetooth board and controller. B. This product modifies the scooter’s software to increase speed. If your original motor is 250W, performance may be limited, as the motor restricts maximum speed. The scooter may not reach 38km/h. For optimal results, upgrade to a 350W or higher motor. C. This product is intended for private use only. Modification may affect controller software, and could impact insurance coverage. Users assume all risks. The manufacturer and seller are not responsible for any damage to scooters or other incidents resulting from use. The governor has two speed modes: (1) Low speed mode – up to 20km/h (factory default). (2) High speed mode – up to 38km/h. Installation Steps: 1. Turn off the scooter. 2. Remove the four screws on the top of the scooter’s riser, located under the display. Keep these screws. 3. Open the riser to expose the meter and connected wire. Locate the middle plug and disconnect it. 4. Insert the governor between the meter and the wire, ensuring proper alignment and avoiding damage to internal pins. 5. Place the governor in the center of the riser and reinstall the four screws. 6. Press and hold the power button on the Bluetooth board to turn on the scooter. 7. Press the brake three times, then press the throttle three times. The governor will display 38, indicating the update process has started. Do not operate the scooter during this time. Wait until the display shows 0, indicating the update is complete. Turn off the scooter, restart it, and test the increased speed. Color: Black Material: Plastic Package Contents: 1 x Scooter Speed Increase Controller Note: Light reflection and screen differences may cause slight color variations between the image and the actual item. Measurement error is +/- 1-3cm.