Black Flag Extreme Home Insect Control Plus Germ Killer with the AccuShot continuous power sprayer controls listed insects on contact for do-it-yourself indoor/outdoor pest control. The non-staining, no-odor formula lasts up to 12 months against cockroaches and ants on non-porous surfaces. Plus, it reduces 99.9% of the germs that insects may leave behind (see product label for details). This ready-to-use spray kills the bugs you see and kills the bugs you don't see, including cockroaches, ants as listed, crickets, carpet beetles, silverfish, centipedes, millipedes, stink bugs, sowbugs, spiders, fleas and brown dog ticks. Apply around the perimeter of the home both indoors and outdoors. Spray around the foundation, doors, cracks, crevices, baseboards, around plumbing and other utility installations, exterior windows and all any other points where insects may enter. Covers up to 350 square feet.