O2cool 5 Inch Battery Operated Fan, Portable Personal Desk Fan W/ Bonus Bigdeal Flash Light 2 Count This fan is designed as a Compact folding design for easy storage Adjustable tilt for directional airflow 5 Inch fan blades, Runs on 2 D Batteries (not included), Typical Use With Alkaline Batteries. powerful 2 Speed Fan , 55 Hour Battery Life. Perfect As A Personal Desk Fan, Great for Travel, Camping Etc..., Great For Your Kids On There Way To Summer Camp. Use in Car, RV, Boat, Home, Office, Hotel or any where you can think of.