Start killing small roaches in hours and prevent them from returning for up to 12 months Easy to use, no mess baits do not require activation Simply place them where roaches are found and relax while they kill non-stop day and night Best used in areas like under sinks, behind toilets, and behind appliances, killing the ones you see and the ones you don't and destroys the nest 18 child resistant bait stations are included; Place additional baits about 1陆 feet away; Place baits carefully so they are touching walls or corners Sprays only the pests you see. Roaches not sprayed continue to thrive inside the nest. Roaches eat the gel and return to the nest and die. Other roaches eat the gel and die, creating a chain reaction. Roaches enter station and eat the bait. They take the bait back to the nest, share the bait, other roaches and destroying the nest.