Spectracide Wasp & Hornet Twin Value Pack 18.5oz / eachINSECTS KILLED: Kills wasps, hornets and yellowjackets, as well as tent caterpillars, scorpions and ants. UP TO 27 FOOT JET SPRAY: Stand a safe distance from the nest while treating. POWERFUL SPRAY: Kills insects that return to the nest over the next few days. ELIMINATES THE NEST: Wait at least 24 hours before removing treated nests. WHEN TO APPLY: Apply at sunset when insects are least active and stand with the wind at your back to avoid spray drift in both indoor and outdoor.