Features: [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. [Colorful Light]This personal humidifier with 7 color-changing LED lights can create a warm and romantic environment. [Aroma SPA]Add several drops of your favorite essential oils(not included) into the water, the fragrance of essential oils from the mist can help with stress, anxiety, relaxation, sleep, headaches, and more. [Timer]You can set light mode and spray mode by the buttons on the mist humidifier, time setting: 1h, 3h, 6h, always on. [Cool Mist]Safely moisturizes the air for continuous operation so you can breathe easy and get more restful sleep.