1.Gyroscope technology    2.Cleaning and mopping at the same time    3.Wifi & App control,support Alexa & Google assistant. (Optional)    4.Nidec brushless motor,1200 Pa real-tested vacuum power   5.2600mAh Li-ion battery  6. 450ml dust bin,     7.150ml water tank(Optional).    8.Multiple cleaning way: Sweeping/Rolling/Vacuuming/Mopping    9.345mm wider design;     10.Anti-winding     11.Anti-collision,15 sets sensors;    12.Anti-falling, 3 sets of sensor     13.HEPA filter     14.IR remote control      Special Features:    1.Gyroscope technology: zigzag path planning with memory.    2.Modular design: easy after-sale service.    3.Wifi & App control: mapping, clean time setting.    4. Voice control with Amazon Alexa and google home    5.Clean function: Sweep/Roll/Vacuum/Filter    6.7cm ultra-slim body easy go under sofa, table, bed    7.Different vacuum power mode: Strong/standard/silent    8.Ultra-quiet: ≤65 dB      9.Clean mode: Zigzag, spot, manual, edge    10.High-efficient HEPA filter 99.97% dust     112.Up to 120 minutes working time and 120㎡ cleaning area    12.Auto recharge (When battery lower than 20%)    13.Anti-collision, Anti-falling, Suspending Detection, Dirt Bin Detection, Obstacle Crossing Up to 1.5cm climbing ability