The Genesis 20-Inch Box Fan is an energy efficient fan with innovative design. It has been constructed with a durable copper motor to last longer. This powerful floor fan is perfect for cooling a bedroom or an office. The 20 head gives you the option to place it on the floor on a dresser or on a table. The 3 fan speeds give the option of how cool you want the fan to blow. This fan has been ETL listed with UL approval and employs overload safety protection with a fuse in the plug.