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