What is zone cleaning on the Xiaomi Robot Vacuum X20+?

Zone cleaning allows to specify particular areas or rooms for the Xiaomi Robot Vacuum X20+ to clean. You can draw zones on the map in the APP, and the robot will clean those areas specifically. This feature is useful for targeting specific areas that need more frequent cleaning or avoiding certain areas.
Note:
During cleaning, the robot can go beyond the designated area. Please ensure the area around the designated zone is clear of obstacles.