Water based formula contains 25% active DEET, for outdoor use. Gets rid of flies, mosquitoes, flying moths, gnats, wasps, ants, crickets, sowbugs, and firebrats on contact. Great for use in the backyard, patio, deck area, and picnic area. One can treat up to 1,200 cubic ft., an area 8 ft. x 10 ft. x 15 ft.