Unique Design: Our iron essential oil diffuser is one of a kind, with exquisite pattern and small size and can be used in any scene. And no matter where it is placed, it is a very good home decoration. 3-in-1 Function: It's not just an aromatherapy diffuser, humidifier or night light; the colored lights can also be turned off, and the device is used for humidification only. Ultra Quiet: Thanks to ultrasonic technology, our humidifier will be quieter when operating. And it can't produce heat when spraying to better protect the quality of essential oil. Automatic shut-off when water shortage: The device will automatically shut down when the water is reduced in the water tank to prevent damage caused by dry running. Time setting: there are also 4 time setting modes: automatic, 1 Hs , 3 hrs, 5 hrs. You can set the duration in which it should run.