Keep your outside space bug-free for up to 6 hours with the Terminix AllClear Backyard Mister. Now you can spend your evenings outdoors without being bothered by biting insects. The ALLCLEAR Cordless Mosquito Mister advanced protection system works quickly and simply to provide on-demand mosquito control. Whether you have black flies, no-see-ums, or other insects anywhere in your yard, you'll be protected against many pests, including mosquitoes that may carry West Nile Virus. The ALLCLEAR Mosquito Mister protects you and your family within an area of up to 2,000 square feet for up to 6 hours. Use the Mosquito Mister right before cooking out, entertaining, gardening... anytime you want mosquito control and protection from biting insects! Perfect for yards, pool areas, decks, patios etc. One 4-minute mist effective up to 6 hours (PLUS concentrate, sold separately and is not included).