1. Data display: Shows riding speed, single mileage, cumulative mileage, riding time, power-assist level, motor power and temperature, battery voltage and charge status, brake status, and ambient temperature. 2. Intelligent power monitoring: Accurately reflects battery charge level and records real-time power consumption relative to riding distance. 3. Gear memory: Supports multi-level power-assist selection with automatic gear saving; restores last-used assist level on power-up. 4. Parameter configuration: Allows user adjustment of motor parameters, speed measurement settings, speed limit, power output, assist control logic, minimum controller voltage, and maximum current limits. 5. Data review: Enables viewing and clearing of historical ride data, including single or total ride time, single or total mileage, maximum speed, and average speed per ride. 6. Walk-assist mode: Provides 6 km/h electric assistance for low-speed maneuvering; indicator flashes during activation. 7. Cruise control: Maintains a preset constant speed automatically during riding. 8. Night visibility: Features LCD backlight and headlight control for improved visibility in low-light conditions. 9. Password protection: Supports 3-digit power-on password. 10. Diagnostic alerts: Displays fault codes for common system issues; includes motor temperature monitoring with over-temperature warning and protection. Uses 5-wire digital communication; the instrument has good reliability.