Compact folding design is easy to carry and ideal for camping! Powerful 2-speed fan offers quiet cooling and tilts for directional air flow. Operates on 6 D batteries (sold separately) or with included 110-volt AC adapter. Convenient built-in carry handle for easy portability. Runs up to 53 hours on low speed and up to 20 hours on high speed, depending on battery type. Easy to carry Folds for travel | O2 Cool 10 Battery-Operated Fan with AC Adapter in Grey