•COOL MIST HUMIDIFIER – Honeywell Ultra Glow Light Changing Humidifier and Diffuser (HUL530) helps ensure proper humidity levels. Indoor humidity levels between 40-60% can help relieve cough/congestion, keep throat/nasal passages hydrated and more. •ESSENTIAL OIL TWO WAYS – This small humidifier is an essential oil diffuser, too. You can add essential oils directly to the water tank, or use the oil tray for a more subtle fragrance experience. Essential oils not included. •SOOTHING COLOR CHANGING LIGHTS – Cool mist humidifier with essential oil diffuser has customizable color changing tank lights, adjustable mist control and a directional mist outlet. It has no filter to change, a wide tank opening & runs for up to 24 hours. •COUGH AND CONGESTION RELIEF – Humidifiers for home can be helpful during cold and flu season, when it’s difficult to sleep with cough and congestion. A humidifier can provide temporary relief by adding necessary moisture to the air. •A BRAND YOU CAN TRUST – Honeywell has been keeping families comfortable in their homes for over 100 years with our full line of humidifiers, filters and more. The Honeywell Ultra Glow Light Changing Humidifier and Diffuser fills your air with refreshing moisture to help relieve dry air discomforts and lets you relax and enjoy your favorite essential oils. During cold and flu season, or when the air is simply just dry, you can rely on this small humidifier for your entire family. It also offers calming e