Features: [Cool Mist]Safely moisturizes the air for continuous operation so you can breathe easy and get more restful sleep. [Colorful Light]This cool mist humidifier has a 3 color-changing glow that creates a peaceful ambiance while delivering a soothing mist. [Two Modes]Two Adjustable Spray Modes, Continuously spray can be used to purify air particulates; Interval spray can keep humidifying all night. [Large Capacity]500mL large water tank can safely moisturize the air for up to 10 hours operation so you can breathe easy and get more restful sleep. [Quiet]The mist humidifier only creates sound less than 35 dB which is very quiet, giving you a perfect sleep.