Quiet and energy-saving: Operates quietly and efficiently over long periods to ensure a continuous supply of moist air. 34.3 dB noise reduction. Automatic water evaporation: Runs for 8 hours when it reaches the lowest level, with automatic water evaporation to prevent odors. Smart control: Can be operated via the Xiaomi app. Integrated capacitive touch panel, combining screen control. 4L large water capacity, with a usage time of 16 hours. Open water tank, easy to clean. Convenient water overflow: The capacitive water level sensor automatically detects the water level, and the water level light indicates the current level.