Best for Babies Bedrooms: No light disturb; Moisturizes the air at a low noise level of udner 27dB ensuring you get a more restful sleep. Powerful Performence?Delivers long-range mist via the 360° rotatable nozzle at a height of up to 2ft to efficiently moisturize a room size of 20-40m² / 215-430ft². 4L Capacity?Holds an impressive 4L of water, adjust the mist output between 60-300 ml/h to refresh any room uninterrupted for between 12-50 hours. Easy to Clean: A big opening of the water tank makes it super easy to clean, ensures healthy air for your family. Safe and Stable: Auto shut-off when the water's drained; Nano-coating protects the circuit boards from moisture es with 2 years