DSC80XSG(W) 10" High Velocity Air Circulator Fan - Powerful Cooling for Home, Office, and Workshop - Quiet & Energy Efficient Airflow for Indoor and Outdoor Use

The patented counter-rotating technology* applies principles of aerodynamics, featuring a dual-motor dual-fan blade design to double the power and airflow distance. With 7 front fan blades and 9 rear fan blades, the airflow is divided into 7*9=63 streams, ensuring smooth airflow control and creating a gentle breeze sensation on the skin.