Product Overview: The Medisana Air Humidifier ensures optimal air quality in your home Key Features: ‣ Ultrasonic Technology for quiet operation ‣ Adjustable mist settings for customized use ‣ Large Tank capacity for continuous operation ‣ Auto Shut-off when water runs low Technical Specifications: ‣ Capacity: 4.5L ‣ Material: BPA-free plastic ‣ Control Type: Button control ‣ Performance: 30W