Typically, ultrasonic pest repellers are considered safe for pets since the high-frequency sounds they emit are generally beyond the range of human hearing and pose no harm to dogs and cats.

For example, our overall favorite was the Ever Pest Lightning Shield 2-Pack Pest Repeller, which is affordable, effective, and easy to use. All you need to do is plug it in and it’ll start ...

Dog digging repellents come in various forms, including sprays, granules, and electronic devices ... Some repellents contain harmful chemicals that can be dangerous to your dog or the environment.