Thermacell Outdoor Area Mosquito Repellent Multiple Insects Cartridge Deet 0.7 Lb. 15-foot by 15-foot Zone of Protection against bugs or 225 square feet Effectively repels mosquitos, black flies and other flying, biting insects Cordless, pocket-sized, portable and lightweight appliance Silent and virtually odor-free operation All ThermaCELL products come with a one year warranty