O2Cool 10--Inch Portable Camping Fan with Lights -Dual Power sources: Plug-in with the AC adapter (available for purchase) or use 6-D batteries (not included). Powerful two-speed 10-inch fan offers quiet cooling. Tilts for directional airflow. Included LED sidelights with 3 levels of brightness - High/LowithNightlight. Lights rotate 180 degrees. New rugged design makes it great for travel, camping and being outdoors. Base pivots independently for stability on uneven surfaces. Compact folding design makes it easy to carry and store; convenient built-in handle. Battery life (varies by type of batteries used) High speed-20hrs/Low speed-53hrs Blade size: 10 inchesNumber of speeds: 2Number and Type of Alkaline Batteries: 6-D batteries (not included)AC Adapter: Available for purchaseProduct Dimensions (retail packaging): 3.54 x 12.01 x 12.28 in