The diffuser has safe and advanced PP material which has resistance to essential oil corrosion. It has frequency atomization so there is very low noise. The package comes with the diffuser itself, 1 AC adaptor, 1 measuring cup, and 1 user manual for instructions.
Some guidelines and notes:
Oil is not included in the package.
Use only 100% natural water soluble essential oil.
Oils with chemical fragrance or other impurities may cause malfunction.
Use only three drops per 100 ML of water. Too much oil may cause the system to clog.
Make sure to use the correct plug adapter.
Aside from the icky feeling dry air gives, it may also damage your skin. This humidifier and essential oil diffuser can help relax your mind and body, and can make the dry air humid and damp. It also looks really nice that it can add a little spice to your room.