-Up To 24 Hours Continuous Battery Life. -Dual power source capability. Uses eight D batteries or AC adapter, both sold separately. -Powerful 2-speed fan. Offers quiet cooling. -Fan tilts for directional airflow. -10" fan with compact folding design for easy storage The O2 Cool 10" Battery or Electric Portable Fan features a dual power source that provides a simple cooling solution without the added noise. It comes equipped with two speeds and tilts to position the airflow in any direction you choose. To power up, use either eight D batteries or an AC adapter (both sold separately). This O2 cool fan can be placed in any room of your home or in a small office for comfort while relaxing or working. When it's not in use, fold it up and put it away for easy storage. It's also a smart choice to pack in the car for camping trips. Ozark Trail, O2 Cool, Cool by Design. Assembled Product Dimensions (L x W x H) 6.10 x 2.00 x 6.50 Inches Condition: New Publisher: GLJ LLC Brand: GLJ LLC Model No: 1053 Manufacturer: GLJ LLC Age Group: Adult Color: Gray Size: 10 inch UPC: 755247117645 Model Number: 1053 SKU: elec-07-30-23-1