Stepless Adjustable Mist:Adopts advanced ultrasonic technology,our air humidifier can safely and quickly moisturize dry air. Designed with stepless knob to smoothly control the level of mist volume,capable to cover up to 430sq.ft. Perfectly satisfy your different demands for various seasons. Ultra Quiet Humidifier:Less than 38dB low noise even when working in the maximum mist volume,no humming,whistling,or crackling. This quiet humidifier won’t disturb your working,studying or sleeping. Help babies,kids and light sleepers get more restful sleep. Top Fill Design:Considerate top fill design has a large opening,detachable water tank allows you to easily clean or fill in water. Transparent water tank is visible and conveniently for you to know the remaining water. Suitable for living room,bedroom,office. 5L/1.32Gal Large Capacity:Equipped with 5L/1.32Gal large capacity water tank,provide you up to 20 hours continuous use in minimum mist volume. Prevent you from frequently refilling water and saving your time and effort. Enjoy the whole night sleep! Safe & Durable Material:Made of non-toxic ABS material,our desktop humidifier has long lasting service life. Rounded corners and dry-burning protection ensure you and your family safety. A practical companion to relieve coughing,colds,congestion,sore throat,sinus issues,allergies,and dry skin.