2L Large Capacity Tank: Offers long runtime with one fill, reducing frequent water refills for all-day use. Dual Nozzle Nano Mist: Produces large-volume, fine mist to effectively moisturize dry air and skin. 2 Adjustable Spray Modes: Features continuous and intermittent spray options to meet different humidification needs. Auto Shutoff Safety Protection: Automatically powers off after 12 hours or when water runs out to prevent overheating. Silent Operation for All-Day Use: Runs quietly to add moisture to air-conditioned or heated rooms without disturbing you.