Kills bugs fast on contact and keeps killing with residual action indoors even after you spray, for up to four weeks. The easy-to-use spray can be applied to surfaces where ants, roaches and other listed bugs may be infesting. It leaves no lingering chemical odor, with a pleasant scent. Unscented. Physical Form: Liquid; Application: Air; Pest Type: Ants; Roaches; Volume Capacity: 14.5 oz.