Anti Cockroaches Repellent Sound - 20kHz to 30kHz sound waves

Anti Cockroaches Repellent Sound - 20kHz to 30kHz sound waves.
Cockroaches are unwelcome guests in any home. They can easily infest a space and avoid detection until the situation is large. They’re also unsanitary. Because they live in drains, sewers and near garbage, they come into contact with germs that they can spread to surfaces in your kitchen and other areas of your house. In fact, researchers at Cambridge University identified 30 types of bacteria associated with cockroaches living near humans. According to the World Health Organization, cockroaches are known to carry pathogens that can cause diseases like diarrhea, dysentery, cholera and typhoid fever.
How Do They Work?
Anti Cockroaches Repellent Sound supposedly works by emitting 20kHz to 30kHz sound waves. This noise is supposed to cause response which can confuse, and may even kill, certain pests like cockroaches.