Raid Wasp & Hornet Killer 33 is effective against hornets, mud daubers, wasps, and yellow jackets and is electrically non-conducting up to 32,500 volts. This insecticide for flying insects kills on contact.Raid Wasp & Hornet Killer 33 is designed for outdoor use, and it sprays up to 22 feet, allowing you to spray this aerosol insecticide from a safe distance. It effectively kills the entire yellow jacket, hornet, or wasp nest population. Do not apply directly or near water.