1. Threeinone humidifier, night light and aroma diffuser: Aroma diffuser, humidifier and flame effect lamp make up our multifunctional aroma diffuser. Soothe the body and mind and bid farewell to insomnia. Add 2 3 drops of essential oil inside and the aroma will be fragrant. Relax and create a refreshing sense of ritual 2. Flame Effect Light: The combination of light and shadow, highfrequency ultrasonic atomization and highspeed vibration combined with LED lights simulates the natural flame effect. Soft light sleep gives you a sense of security all night long, and the colorful flames are adjustable, making it comfortable to sleep without dazzling the eyes. 3. Light sound and low noise: The ultraquiet diffuser with less than 36dB will not interfere with your study, work or sleep, allowing you to enjoy a quiet and comfortable life privately, brew a cup of coffee, open a book in front of the window and enjoy life quietly. 4. Smart Safety: Our diffuser is made of plastic and ABS material, with an intelligent poweroff antidry sensor and an intimate design. It has a builtin smart chip and will automatically power off when there is no water. There are 3 timer setting modes: 1 hour/3 hours/5 hours.