I bought these to track my suitcase at the airport baggage claim so I know when my stuff will arrive. I plugged it in and put one at the other end of my house and my son moved. My house is not that big. Maybe 60 feet away and it didn't really give me an exact location. Sometimes he lost contact and didn't show up for a while. So I decide to send it back and get a more expensive one with a bigger margin. bought tile. It was more expensive and I was only able to buy one pack instead of two like this, but the tile was very accurate and worked great.
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