Kills bugs fast on contact and keeps killing with residual action indoors even after you spray, for up to four weeks. Easy-to-use spray can be applied to surfaces where ants and roaches may be infesting. It leaves no lingering chemical odor, with a pleasant scent. Also kills Waterbugs, Palmetto bugs, Silverfish, Carpet Beetles, Crickets, Earwigs, Spiders, Lady Beetles, Stinkbugs, Scorpions, and Black Widow Spiders.