Formulated to knockdown wasps and hornets so quickly that they cannot release their stinging pheromones, therefore reducing the possibility of stings. Kills on contact from up to 20 feet away providing applicator safety. Electrically non-conducting up to 37,160 volts making it usable around electrical equipment. Residual activity ensures complete elimination of the nest. Can be used outdoors and in attics and crawl spaces. Kills wasps, spiders, hornets and yellow jackets on contact.