1. Smart Memory: Low cleaning missing rate & high recharging rate.

2. Intelligent to sense different environment floors and adjust its direction within 10ms

3. Apply to different floors: low/hard carpet within height of 1cm, hardwood, ceramic tiles for home, hotel room and office.

4. Twining proof design of central roller prevents to twined by wires.

5. Anti-collision system to sense the barrier around to avoid collision.

6. Anti-fall system to detect stairs to avoid falling.

7. One-time cleaning lasts 90minutes to finish a house within size 150-200 square meters.

8. Adjustable suction power to make a lower noise.

9. Dual Mode Virtual Blocker keeps the vacuum clean within the area you want it to clean.