Wasp and hornet killer eradicates bugs on contact. High-powered can sprays up to 22' to keep you at a safe distance from the nest. Wasp and hornet killer is electrically nonconducting up to 32,500 volts for safe use. Multipurpose formula also kills mud daubers, yellow jackets, hornets and wasps. Wasp and hornet killer is designed for outdoor use only.