Features: In an air-conditioned room, our skin is losing water every minute. To breathe healthier air, you will need a humidifier from time to time. This TT-AH002 model is very popular on Amazon. Thanks to the dial knob control, you can adjust the mist output easily. With a 3.5L tank, you can get 10 hours’ humidified air on high mist with one fill. It’s whisper-quiet during operation for better sleep at night, perfect for bedrooms. The clear plastic allows you to see the water level anytime. The two nozzles put out mist in two directions simultaneously, maximum output of 330 ml/h quickly covers a large space of 10-30 m² / 107-322ft². There is the smart LED indicator for optimized use, and low water protection for safer use. Note: Please do NOT use with essential oils.