AUTOMATIC POWER OFF: This diffuser also has a safety protection function, when the water level is too low or use for too long, it will automatically shut down to ensure your safety of use. ULTRASONIC VIBRATION: The essential oil diffuser is built with efficient ultrasonic vibration technology, which can quickly diffuse essential oil molecules into the air and fill your room with fragrance. ADDABLE ESSENTIAL OILS: this aromatherapy diffuser can add various flavors of essential oils, a short press on the switch button can turn on the aromatherapy atomization, essential oils help you sleep, very practical. APPLICABLE SCENE: The aromatherapy essential oil diffuser is simple and generous in appearance, compact and lightweight, ideal for use at home, in the office, in the car and other occasions. WIDE APPLICATION: Aromatherapy essential oil machine with aromatherapy function and light function, can be used as a night light, you can choose different functions according to your needs, so that your use is more convenient and comfortable.