1. Three-Stage Cleaning Technology
            2. Switchable Cleaning Technology
            3. Gap Bypassing Technology
            4. Self-Adjustment Technology
            5. Edge Detection Technology
            6. IoT-Based Control System
            7. Automatic Water Filling Mechanism
            8. Wind Protection Mechanism
            9. Anti-Fall Protection Mechanism
            10. Anti-Theft Lock Mechanism
            11. Self-Aligning Mechanism