HiveTech 80ml Ultrasonic Cool Mist Aroma Humidifier with 16 Different LED Color Changing for Home Office (80ml) RELAX: Fill the space it was with a lovely fragrance that can lift your mood and relieve stress from stressful and tired day, perfect for masking stubborn smoking and pet odors, get great and peaceful nights' sleep surrounded by the aromatic fragrance 16 LED LIGHT: 16 Color Changing lamps automatically or depend on your choice, it also can be turned off entirely, or can be set to one fixed color EXTREME QUIET ULTRASONIC OPERATION: The device humidify your living space to prevent dry, stuffy air and flu/cold germs infecting you and your loved family. Get rid of dry and chapped skin during winter SELF-PROTECTION SYSTEM: Shuts Off Automatically When The Water Runs Out, it will never damage your device , or get on fire for running out off water AUTO SHUT OFF MODE: You can set 1/2/3 hour count down to shut off the purifier before you go to sleep