MARKET-LEADING VOLUME: Immense 3.5L water capacity lets the humidifier run all day or all night without needing a refill</br>ADJUSTABLE MIST OUTPUT: Easy knob control allows fine-tuning of the mist output from between 0 to 300 mL/h?? providing optimal use in every room and situation</br>ESSENTIAL FEATURES INCLUDED: Water tank handle for water-filling convenience?? low water protection for peace of mind?? and LED indicator to show when a refill is needed</br>SILENTLY EFFICIENT: