If flaw number two is serious, there are animals in the house, and there are a lot of wires on the floor; it is best to monitor everything with a camera and an AI. Other than that, fantastic material Has some pros: 1. Getting rid of the "headache" with a good mopping. 2. Capable of dealing with animal hair and long hair 3. Collaboration with Alice Having this drawback: 1. Small dust catcher 2. Since it only uses laser navigation, it is unable to identify small obstructions such as wires (the operator looped a patch cord around a horizontal brush) or scarves (which were sucked in). I don't even want to think about what might take place if the cat farts in a hidden location. 3. Minimum equipment 4. Long charging