Perfect Gift: The essential oil diffuser for large room in aromatherapy also functions as a humidifier. Aroma diffuser is a perfect decor used at homes, office, spa decor or meditation decor, also a houghtful present for all kinds of holidays such as Christmas, Thanksgiving Day, birthday and Valentines Day. Express gratitude and love for your families, friends, beloved onesQuiet Fragrance Diffuser \u0026 Power-off Protection: Ultrasonic diffuser gives out ultra fine and smooth mist which can soften and moisten dry and chapped skin in winter, create a quiet and warm atmosphere for you. Room diffuser will automatic power off when water used up160ml Work For 8-10 Hrs: high-quality PP material made, with a 160ml capacity could last for 8-10 hoursUpgraded Rainbow Flame Air Aroma Diffuser: This essential oil diffuser upgarded with an amazing rainbow flame option, which could create a realistic colorful rainbow fire atmosphere. Adding drops of aromatherapy essential oil, can brighten your room with vivid flame, relax, soothe yourself with fragranceEasy to Control:Compare with others flame diffusers, it is more easier to controll(The left key to turn on or off, the mist key's 1st press is orignal flame, 2nd press is rainbow flame, 3rd press is 7-colors changing flame, 4th press is fix on one color flame, 5th press is a cool mist)