Bought April 2018 to monitor fridge in garage. The alarm went off a couple of times when I turned off the breaker and once or twice when the power went out. The outlet is a GFI which some outside outlets plug into and the other day I accidentally cut the power cord off the tool. GFI triggered but this device made a noise? No, no, nothing. The AC light comes on, but no one is home to sound the alarm when the power goes out. I live in Florida and it gets very warm and humid in the garage during the long summers, but I don't see anything in the description that suggests it won. I will not deal with it. I won't buy another one of these. UPDATE 5/13/20 The manufacturer suggested that if I sent them the unit they would see if they could fix it. I did and they fixed it, disconnected it and sent it back to me. So I changed my rating to three stars.
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