15-foot by 15-foot "Zone of Protection" against bugs or 225 square feet, Cordless, battery operated, portable and lightweight lantern, Silent and virtually odor-free operation, Features (8) LED lights and requires (4) AAA batteries for operation, All ThermaCELL products come with a one year warranty, Effectively and silently repels mosquitos, black flies and other flying, biting insects, Features (8) LED lights and requires (4) AA batteries for operation