Wasp & Hornet KillerDrops wasps, hornets and yellow jackets instantly. Kills pests with residual action as insects return to nest. Jet spray reaches up to 20 feet, conveniently killing pests from a distance. Safe for both indoor and outdoor use, so threatening bugs have nowhere to hide. Physical Form: Liquid; Application: Indoor; Outdoor; Pest Type: Hornets; Wasps; Yellow Jackets.