Ortho Home Defense Insect Killer for Indoor & Perimeter w/Wand Sprayer, 1.1 gal. is an effective solution for controlling insects both inside your home and around its perimeter. This product works by killing bugs indoors and creating a protective barrier to prevent further infestations. It up to 12 months of control against common household pests such as ants, roaches, spiders, ticks, and other invading insects. The formula is designed to be non-staining and odor-, making it safe and convenient to use in any part of your home.