About this item WARM AND COOL MIST – The Homedics Ultrasonic Humidifiers for large rooms have high-frequency technology that converts water into a fine, evenly dispersed warm or cool mist; ideal as a bedroom humidifier and for family rooms up to 521 sq. ft. TOP-FILL HUMIDIFIER – The easy to fill tank holds 1.38-gallons of water and provides up to 85 hours of cool or warm mist runtime per fill; Clean Tank Technology helps protect the tank from mold and mildew QUIET & CONVENIENT - Perfect for nighttime use with whisper-quiet operation and built-in night-light; add your favorite scent to the cool mist humidifiers with 3 included essential oil pads; includes 1 demineralization cartridge CUSTOMIZED SETTINGS - Choose from 5 cool or warm mist settings on the personal room humidifier; built-in auto-off timer includes timed options; programmable Digital Humidstat helps maintain desired room humidity WHAT’S IN THE BOX – (1) Homedics Ultrasonic Large Humidifier, (1) Instruction Book, (3) Essential Oil Tray Pads, (1) Demineralization Cartridge, (1) 1-Year Warranty › See more product details