Powerful Meets Portable DREO All In 1 airflow system combines with a supercharged electric motor, delivering high-speed, brisk cool. This 36 in. compact tower fan enlivens every in. of air in your living space fast at up to 27 ft./s. Along with display auto off, auto mute in Sleep mode, 8-hours timer and soothing airflow, you can always get a restful sleep whenever you need it.