Kills on contact and can be used indoors or outdoors. Ready to use trigger spray bottle allows you to spray joists, baseboards, windowsills, and other tight places. Features up to 4 months of residual control. Non-staining formula will not stain surfaces or fabrics. Ideal for use in attics, basements, bathrooms, cabins, campers, carports, decks, garages, gazebos, and more. Active: Deltamethrin. 32 ounce bottle.