Ultrasonic Pest Repeller Repellent by ZIZLY

Hello friends,

If you’ve ever read the packaging for an ultrasonic insect or mouse repellent, you know how these devices supposedly work. In theory, they emit sound at a frequency that humans cannot hear, but pests can. And these frequencies are supposed to be tuned to just the right level to drive pests crazy. As a result, the devices claim that cockroaches crawl away, fleas flee and rats run for cover.

Do Ultrasonic Pest Repellers Work?



Can these sounds actually control pests? Not with commercially-available devices. Pest behavior can be affected by certain ultrasonic sounds when administered in a very specific way, but this is a technology that is not commercially-available.

While some ultrasonic repellents may have a minor short-term impact on some pests, most don’t effectively control them. And in some cases — such as the testing of rodent repellent devices in a 1995 study for the United States Department of Agriculture and the National Wildlife Research Center — the effects tend to wear off after a few days of exposure because the pests become used to the sound.

Another 2015 study conducted by the University of Arizona concluded that in spite of the increasing number of patents for ultrasonic pest repellents over the years, commercially available ultrasonic pest devices were not effective means of treating pest problems.

In fact, Consumer Reports advises avoiding ultrasonic pest repellents altogether, stating that in 2016, the New York Attorney General’s Office sent cease and desist letters to two different manufacturers of these devices. Additionally, the Federal Trade Commission has been warning consumers about ultrasonic pest control devices for decades, as manufacturers do not have the scientific evidence required to back up their claims of effectiveness.


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