Do Electronic Pest Repellers Bother Cats. September 9th, 2015 at 7:46 am like mark says above, when it was plugged in, my dog reacted to it immediately. The purpose of the repellents is to give off a very high pitched sound that will deter pests but cannot be heard by humans.

The frequency of electronic pest repellents doesn’t bother common family pets such as cats and dogs for the most part, but the volume can be disarming. Do electronic pest repellers bother cats? Cats and dogs are among the most capable of hearing sounds that humans cannot hear.