1. Low voltage alarm speed mode: The speed limit is approximately 15 km/h. When the voltage returns to 37V, the throttle must be returned to the initial position to release the low voltage protection and resume normal operation. 2. Constant speed cruise: After maintaining a steady speed for about 6 seconds, cruise control will automatically activate. Once activated, the throttle can be released. Pressing the brake or operating the throttle again will deactivate 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: The system will automatically power off after 10 minutes of inactivity. 5. Compatible with: Electric motorcycles, e-bikes, scooters, electric bicycles, and balance skateboards. 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 differences in display screens may cause slight variations in color between the product image and the actual item. Measurement error is permitted within +/- 1-3 cm.