HAs anyone here tried those ultrasonic pest control devices? Do they work?
Question: You acknowledge that you have taken them into the wall and emit a high frequency alarm that rats and mice can hear, but we can not. It is supposed to lead the rodents pastry, but not bother to humans and pets.
Answer: No, they are not, but online on me! I was outside and came home one afternoon and heard the top lace, or with a click. For hours, he "bugged" me and my husband finally asked if the sound bothered him at all.
"What is reasonable?

To crack the problem, a gas holder with a double membrane and an ultrasonic sensor was devised to absorb the fluctuations. If the pull down of the gas starts to ...




