Visible flame-effect cool mist and low-profile décor styling, the Homedics® Fireside ultrasonic cool mist humidifier disperses a realistic flame effect. The .26-gallon tank features up to 12 hours runtime with automatic shutoff when out of water, plus 3 adjustable mist and light settings. Clean Tank Technology helps protect the tank from mold and mildew while the adjustable flame adds cozy ambiance to any space.