It's made for indoor and outdoor use and controls a broad spectrum of pests for up to 4 weeks. It quickly kills on contact with a highly effective water-based formula. The spray doesn't leave behind an oily, messy residue, so you can use it in any location in need of treatment. This product contains a 0.5% concentration of its active ingredient, Permethrin, an insecticide that is a powerful killing agent on insects and spiders.