This 15oz wasp & hornet killer is specifically designed for outdoor use and is safe for application on electrical equipment up to 38,800 volts. With its ultra-powerful spray, it can reach nests over 20 feet above ground, providing optimal performance. The solvent-based formula delivers an instant knockdown of pests, including wasps and other insects. Featuring a high 2% concentration of Permethrin, a powerful insecticide, it ensures fast and effective pest control. To prevent staining, avoid spraying this product on shrubbery, rubber, plastic, vinyl, or asphalt surfaces.