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Old 06-08-2020, 02:22 PM   #1
Northofu1
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Little black box

Hi all,
Does anyone know what this little black box is for?
I was cleaning the trailer and it was stuck to the inside of a cabinet. Opened it and found 4 "AA" batteries inside with a little board and an I/O button.
Thanks.
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Old 06-08-2020, 02:40 PM   #2
wiredgeorge
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That is a mouse alarm.
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Old 06-08-2020, 04:58 PM   #3
JRTJH
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Probably an ultrasonic mouse repeller. I stopped using ours when I opened the trailer door unexpectedly and found 4 mice doing a jig with the radio on the Disney Channel and the "Musketeers theme song" blaring from the overhead speakers....
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