Features: [Two Modes]Two Adjustable Spray Modes. Continuously spray can be used to purify air particulates. Interval spray can keep humidifying all night. [Auto Shut-off]Continuously spray for 10 hours, and Interval sprays for 20 hours to auto-shutoff. It can be restarted to continue using after power failure. [Night Lights]This moon lamp designs with 3 colors lighting modes. All of the colors can be changed by touch the top button. [Keep You Healthy]This personal humidifier can not only help adjust dry air in the air-conditioned room but also moisturizes your skin, relieves nasal congestion, and purifies the air, keep you healthy all the time. [Quiet]The mist humidifier only creates sound less than 36 dB which is very quiet, giving you a perfect sleep.