Lmeison Portable Ultrasonic Aromatherapy Essential Oil Diffuser Aroma Humidifier - with 7 LED Color Changing Lights -Mist Mode Adjustment - Waterless Auto Shut-off Function - for Home, Office, Spa, Beauty, ect. Use Ultrasonic waves to work with water and natural essential oil in the tank, spray mist for aromatherapy, humidifying, purifying Natural essential oil make the healthy and relieve the stress. Romantic color light and mist bring happy feeling, remove dry mania, adjust the indoor humidity. Spark your kids imagination with 7 changing mood lights , each of which is adjustable between bright and dim modes, and could be set steady on. Great night light for young children scared of the dark at bedtime. Color including: Green, Dark blue, Red, Yellow, Pink, Light blue, White. Considerate design of automatical shutting off when run out of liquid for security. Portable for Home, Yoga, Office, Spa, Bedroom, Baby Room. Perfect gift idea for family and friends who love aromatherapy or can benefit from Aromatherapy healing. LED light: 7 Color Changing lamps for your choice, independent light-control, advanced ultrasonic technology:2.4MHZ, noise Level: &lt;35 dB(A)