The large water tank ( 2.4L capacity) keep humidifier working over 20 hours. Mist output up to 180ml/H, the cool mist helps prevents dry eye, scratchy nose and throat, offer sound sleep and reduce static electricity when it's dry in the winter. Aromatherapy essential oil diffuser is engineered with noise reduction system, together with professional ultra-quiet fan for quite operation. The soft 7 colors night light set a cozy atmosphere for the whole space., you will enjoy a peaceful sleep all night. The unique top-fill design offers 2 easy ways to fill the water tank. You can remove the lid to fill up the humidifier or simply pour the water directly into the special hole in the lid. This humidifier uses a large-caliber water tank design for easy cleaning. Just remove the cover, you can reach humidifier inside and wipe it with a rag. This aroma diffuser adopts an all-in-one design to prevent side tilt and water leakage. And simplify the steps of adding water for you. One-touch button control all the function of cool mist humidifier. Switch the cool mist mode by light pushing, turn on and off the LED breath light by long-pressing in 3 seconds.