Supported models: Compatible with Pro and Pro 2 models. For installation on M365 1s Essential scooter, a 350W motor replacement is required. Compatible controller main chips: STM32, APM32. After switching the speed state, the selected state remains active until manually changed by the user and persists after restart. Scooter speed state switching: - Low speed state: Maximum speed of 20 km/h (default at factory). - High speed state: Maximum speed of 38 km/h. Methods for switching speed states: Method 1: With device powered on, press brake pedal N times, then accelerator pedal N times. Default N is 3;可 be adjusted between 3–15 via Wi-Fi settings page. Method 2: Connect mobile phone to the speed controller’s Wi-Fi, access Wi-Fi settings page, and switch speed state. Speed state switching process: - Press brake pedal N times, then accelerator pedal N times. The instrument beeps once to confirm state change. - When high-speed mode is activated, the display shows "38". In low-speed mode, it shows "20". - After successful switch, the instrument beeps once. Wi-Fi information: - Wi-Fi name format: SpeedRe + last four digits of serial number. - Default Wi-Fi password: 99999999. - Wi-Fi password resets to 99999999 after changing scooter, controller, or controller serial number, or upon restart. Normal scooter operation: - Users can view scooter data such as serial number and battery level via official app. - Firmware updates or system flashing using the official app may fail for Scooter Pro speed controller. - Users can configure parameters via official app, including lock/unlock, energy recovery, taillight constant on, and unit selection (metric/imperial). - Instrument panel displays vehicle speed, gear position, battery level, headlight status, unit setting, and Bluetooth connection status. - Normal power on/off, light control, and gear indicator functions are supported. Fault code display: Common fault codes are displayed normally, including: - Throttle fault: -14 - Brake fault: -15 - Battery communication fault: -21 - Overheating alarm: -40 Color: Black Material: Plastic Package Contents: 1 x Electric Scooter Speed Controller Note: Other items not included. Note: Lighting effects and screen differences may cause slight color variation between image and actual item. Measurement tolerance: +/- 1–3 cm.