2 in 1 ultrasonic diffuser & humidifier

Using high-frequency vibrations, this premium ultrasonic diffuser and humidifier emits a fine mist so you can enjoy the aromatic benefits of pure essential oils. product features: Refreshes and humidifies the air Large 7.7 fl oz/230 ml water capacity 4 timer settings (diffuses up to 20 hours) 2 mist strengths (covers up to 540 sq. ft.) 7 light colors Auto shutoff