Automatic water protection with a stable and reliable system that allows you to easily enjoy intelligent life - Fashionable and practicable design. Combines the benefits of aroma-therapy, aqua-therapy and light-therapy. It may also be used as a non-aromatherapy humidifier. This humidifier uses ultrasonic technology to quietly release water mist into the air to help temporarily relieve coughing, stuffy nose, and dry skin caused by dry air. Use it in your bedroom or office.