1. Gyroscope technology  2. Modular design  3. Wifi & App. Alexa and Google voice control    4. Japan Nidec brushless motor,1200 Pa actual test for large suction    5.2600 mah Lithium-ion battery    6.450ml dust box.    7.400 ml water tank    8. Multiple cleaning methods: sweep/reel/suction/drag    9. 7cm ultra-thin design    10.3 Suction mode: Quiet/standard/Strong    11. Noise: ≤60 dB    12. 8.Multiple cleaning way: Sweeping/Rolling/Vacuuming/Mopping    13. High efficiency Hepa filter screen    14. Automatic recharging (when the electric quantity is less than 20%)    15. Anti-collision, anti-drop, lift detection, dust box detection, the obstacle ability of 1.2 cm  Virtual wall.