Features: [Colorful Light]This personal humidifier with 7 color-changing LED lights can create a warm and romantic environment. [Two Modes]Two Adjustable Spray Modes, mode one(Continuously spray 4 hours), and can be used to purify air particulates; mode two(Interval spray for 6 hours) can keep humidifying all night. [Cool Mist]Safely moisturizes the air for continuous operation so you can breathe easy and get more restful sleep. [Auto-Shut Off]There is a built-in water level sensor inside that will automatically turn off the power when the water is lower than the safe water level. [Quiet]The mist humidifier only creates sound less than 20-30 dB which is very quiet, giving you a perfect sleep.