1. Gyro navigation technology to build maps and plan clean paths 2. Infrared sensor anti-drop, anti-collision 3. 4 walking modes to improve cleaning performance 4. 2cm obstacle crossing 5. 15° climbing 6. The charging base has built-in wires and is neatly stored 7. Operating time is about 1.8 hours (automatically return to the base for charging) 8. English vocals, clear instructions 9. 600ml dust box, no need to buy a vacuum bag 10. 6mm thick tempered glass panel, sturdy and more stylish