Highlights: All In One Function: Can be used as humidifier,aromatherapy diffuser, air purifier or nightlight which has 7 changing mood lights, enabling your room living and energetic. Large Capacity: Holds up to 300ml of water and produces up to 20ml of moisture per hour, it can run up to 7 hours of continuous output, adding several drops of oils into it and it will fill your space with lovely fragrance. Quiet Ultrasonic Technology: Adopts ultrasonic technology which does not generate noise when your are working, sleeping, studying, doing yoga or enjoying SPA. Auto Shut Off Function: When the water runs out, it will turn off automatically to protects the product from being burned need to worry about in midnight. Portable for Home, Yoga, Office, Spa, Bedroom, Baby Room, Living room. Perfect gift for family and friends who loves aromatherapy or benefit from Aromatherapy healing.