A.Adopted ultrasonic atomization. B.Strong spray,super-long time use. ... Weight/CTN: 14.5KGCert CCC,GS,UL,CE,PSEUsage office,houseldFunction A.Adopted ultrasonic atomization.B.Strong spray,super-long time useC ... -30.G.Can be used as an aroma dispenser when a few drops of diluted essential oil added humidifier