Feature 1). BRUSHLESS DC fan,Big dust box,It can clean various floors 2). Three cleaning modes,Adapt to wood floor, carpet, marble etc. 3). Recharge automatically,Upgrade double side brushes. 4). Anti-collision, anti-falling,Suction power up 5). Long-lasting Battery life,Removable water tank, smart wet towing. 6). WIFI function, mobile APP, remote control, timing,Super low noise . 7). Voice broadcast function,Ultra thin round fuselage ,360° rotation. 8). Automatic memory sweep location, break point continuous sweep. 9). 20mm stride across obstacle-crossing ability, with speed measurement wheel. 10). Intelligent floor cleaning function, anti-collision, anti-drop. 11). It can get rid of obstacles automatically,Intelligent wet mop. 12)