1. Low voltage alarm speed mode: The speed limit is about 15 km/h. When the power returns to 37V, the throttle must return to the initial position to release the low voltage and return to normal operation. 2. Constant speed cruise: The speed remains stable for approximately 6 seconds to automatically activate cruise control. Once cruise is set, the throttle can be released; pressing the brake or adjusting the throttle again will disengage cruise control and return to manual mode. 3. Speed settings: Low speed is 10±2 km/h; middle speed is 20 km/h; high speed is 30 km/h (maximum). Note: Load may affect actual speed. 4. Automatic shutdown: Automatically powers off after 10 minutes of inactivity. 5. Fit For: Electric motorcycle, e-bike, scooter, electric bicycle, balance skateboard. Specifications: Product Name: Electric Scooter Controller Kit Voltage: DC 36V Rated Power: 350W Color: As shown Material: Metal + Plastic Package Contents: 1 x Controller 1 x Bluetooth board 1 x Accelerator 1 x Extension cable 1 x Face cover 1 x Brake handle Note: Light reflection and different displays may cause slight color variations between the item and the image. Measurement may vary by +/- 1-3 cm.