Easy-to-use perimeter treatment for indoor or outdoor use. Kills on contact and continues to work for up to 8 months. Controls ants, cockroaches, spiders, and other insects. Waterproof dust will not wash away in the rain. No unpleasant odor. Apply around windows, doors, porches, screens, eaves, patios, garages, under stairways, in crawl spaces, and other areas where pests like to hide. 1 pound shaker canister. Contains: Deltamethrin.