Title: An absolute waste of money. I threw mine away
Review: I purchased these to be alerted when someone drives into my driveway. The problem with this system is that it has an obscene amount of false alarms. This thing goes off if a car passes down the street, a bird lands in my yard, a leaf falls from a tree, the wind blows too hard. It is totally useless. I even tried to tape the sides of the sensor to narrow the focus as suggested in other reviews but it did not help at all. If you are looking to waste your money, look no further. There must be better solutions out there because this is nothing short of total garbage.
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