This cute tabletop ultrasonic humidifier is efficient in both size and moisture output. Ultrasonic humidifiers atomizes water into ultra-fine particles using the principle of ultrasonic high-frequency oscillation, and diffuses the cool water vapor into the air. Features a multicolor LED nightlight and an aroma diffuser tray for your favorite oil or water based aroma. Levels between 30-50% in your home/office/ have been proven to help prevent the flu and allergies.Proper humidity hydrates your skin, dry eyes, scratchy throats and can reduce snoring. It protects fine furniture, musical instruments, collectibles and wood floors. Humidity makes you feel warmer so a lower thermostat setting can save you money. Ceiling fans help distribute moisture.