Features: 1) Five functions of Aroma Diffuser, mini-humidifier, air purifier, ionizer and night lamp in one, producing a hydro-oxygen SPA and enhancing the effect of aromatherapy by breaking up water and essential oil into fine mist of millions of micro-particles. 2) Driven by ultrasonic waves at a frequency of over 2 million times per second differentiates it from traditional aroma diffusers operated by heating. 3) Beautiful industrial design based on BAMBOO concept by famous French designing agency. 4) Three colors for option: a. Pearl White b. Pink c. Light Green. 5) Two operation modes: a. 30s on / 30s off mode: each cycle lasts for about 8 hours with one-time water filling; b. continuous operating mode: each cycle lasts for about 4 hours with one-time water filling. 6) Built-in water level sensor avoid operation with insufficient or no water. 7) The infrared remote controller with effective scope of 8m make your operation more easily. 8) The calming blue LED light works as a wonderful night lamp. 9) Large loading quantity cuts down the freight cost.