Kills wasps, yellow jackets, and hornets on contact. Gives rapid knockdown and kill of wasps, yellow jackets and hornets. Gives rapid contact kill and residual kill of insects returning to the treated nest. Reaches nests more than 20 feet above ground. Dielectric Breakdown Voltage: 41.0 kV by ASTM Test Method D-877-87. Long-range spray. Use this product both indoors (attics and other places where nests are built and where food or feed are not exposed) and outdoors on Hornet, Wasp and Yellow Jacket nests.