This humidifier is made of ABS material for to use. It breaks up water and essential into extremely fine micro-particles, and into the air as mist. An way to add moist, enjoy the life. Also can be a good present choice for your friends, they will like it. Features -Material: ABS -Size: About 18.50X13.30X11.00cm/7.27X5.23X4.32inch -Operating voltage :DC5V -Operating :400mA -Power :3W -Water tank capacity :400ml -Spray quantity: 70 ml/h - Made of quality material, and safe for a long term use. - With elegant exterior design, a nice decor for your home. - Wide application in beauty salon, SPA, Yoga, bedroom, living room, dining room, conference room, office, etc. - It looks great and would add brilliance to the present splendor of your house. - Helps you sleep and breathe moist air and softens dry or cracked skin. Package list: 1 x aroma diffuser 1 x USB cable 1 x specification