O2COOL NEW 10" Battery Operated Fan with Adapter, Graphite Perfect for camping and outdoor activities. Compact folding design makes it great for travel; easy to carry and store. Powerful 2 speed 10-inch blade.Stable horseshoe base. Adjustable tilt for directional airflow, built-in carry handle Dual Power sources: Plug-in with the AC adapter (included) or use 6-D batteries (not included).