The Treva 5 Inch Battery Operated Adjustable Fan Model FD 05805 is a portable indoor fan that offers powerful cooling with its adjustable design. Powered by batteries, this compact fan stands at 5 inches tall and is easy to use and move around without the hassle of cords. The fan's adjustable feature allows you to customize the airflow to suit your personal preference, making it a convenient and efficient option for improving indoor air quality.