Mosquito fogger that works the first time. Kills mosquitoes that may transmit West Nile, Zika, and Chikugunya virus by contact. Exclusive formula also kills other flying insects such as gnats, flies, wasps, and yellow jackets. Ideal to use on patios, porches, and decks. Disperses into the air to create a zone of protection. Children and pets may re-enter treated area once spray has dried.