COOL MIST HUMIDIFIER - Featuring a 6L (1.6gal) tank, with a super high mist output our ultrasonic humidifier for bedroom works with rooms up to 500 sq. ft and lasts 50 straight hours!. ESSENTIAL OIL TRAY - Features a tray where you can add essential oils similar to an oil diffuser. The air humidifier fan then circulates the oils into the mist giving you a clean, pure and fresh smelling aroma. Ideal baby humidifier featuring a blue LED nightlight.. REDUCES AIRBORNE VIRUSES AND BACTERIA - Decrease the risk of illness, germs, and bacteria by keeping the relative humidity above 43%. Helps with allergies, clearing sinuses, and coughs making us one of the best humidifiers for babies.. AUTO SHUT OFF - The vaporizer humidifier will automatically turn off when it runs out of water preventing damage to the unit and keeping you safe.. NO EXPENSIVE FILTERS NEEDED - Our unique ultrasonic humidifier design eliminates the need for a filter and can be used with regular tap water.