Hi-Yield indoor or outdoor insect killer. Long-lasting insecticide formulation that has up to 4 months residual insect control. Indoor insecticide: Controls cockroaches, ants, boxelder bugs, centipedes, crickets, fleas, scorpions, spiders, and many others listed on label. Outdoor insecticide: Controls carpenter ants, termites, clover mites, crickets, sowbugs, centipedes, mole crickets, and many others listed on label. Formulation: Deltamethrin.