Compatible Models: Max G3 Electric Scooter Note: Please confirm your scooter is the Max G3 Electric Scooter before purchase. This speed control chip allows adjustment of the scooter’s top speed via software version changes. Maximum speed achievable is 40 km/h without replacing the motor, Bluetooth board, or controller. Installation Steps: 1. Turn off the scooter. Remove the screw located under the display on the handlebar and store it safely. Open the handlebar cover. Locate the wire connecting the display, with a plug in the middle. Disconnect the plug. 2. Insert the tuning chip between the display and the wiring harness, ensuring proper alignment to avoid pin damage. Secure the chip centrally inside the handlebar and reinstall the removed screws. Normal Vehicle Use: 1. Users can view vehicle data—including serial number and battery level—via the official app. 2. Firmware upgrades or controller flashing using the official app are not supported. 3. EV parameters—including lock/unlock, recovery mode, taillight settings, and unit selection (metric/imperial)—can be configured through the official app. 4. Power on/off, light control, and gear indicator functions operate normally. 5. Appearance may vary slightly between batches; functionality remains unaffected. 6. When fully charged, the scooter reaches up to 40 km/h unloaded and approximately 35 km/h with a rider. Version: European Color: Black Material: Plastic Package Contents: 1 × Speed Controller Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.