Solar Yard Gard ultrasonic animal & pest repeller safely repels unwanted pest animals with silent sounds. Solar powered, no cords or batteries to replace. covers up to 3,000 square feet. Motion activated. Targets deer, raccoon, rabbits, squirrels, mice, stray cats, neighbors dogs, possum, skunks and more. Easily mounts almost anywhere, mounting stake included. Harmless to humans and pets. Proven technology.