Keeps those critters away

There couldn't have been any better timing than when I saw these online. The same morning, we had seen a mouse out in of yard. I was scared that some of those family members of that dirty little kritter would get into our garage and make themselves a nice place to rest. I ordered these and got next day delivery on them, and I was waiting for the packages to come that day, just waiting impatiently. As soon as the packages arrived, I had my husband run out to the garage and plug one in.  There, and in the firstom next to the garage, which would be our laundry room. Now I'm not sure that it chased mice away, because the only one that we saw was the 1 out near our garage. But we expected that where there was 1 there were many when we plugged this in,, and we have never seen another mouse out in the yard or anywhere near our garage , so I would like to think that these chased a whole family of mice away..