Features: 1.Recommended by the Washington Post. The portable light runs for 4 hours continuously on 4- AA batteries. A must have for poweroutages. 2.No outlet or wiring needed! Easy to install, just peel and stick. 3.Great for: closets, stairwells, sheds, RVs, camping, basements, attics and power outages. 4.Advanced Krypton technology. 5.Shatter proof . 6.Uses 4- AA Batteries (not included).