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Never heard of it. Going to get one for my basement. I've had evidence of a couple mice down there, but have never seen them. This seems like a real "set it and forget it" type of device...I have had good luck keeping rodents out of my vehicles by using an electronic rat trap called RAT ZAPPER. I have four of these units in my garage and occasionally I get a “****”.
The RAT ZAPPER uses four size D batteries. I put a bottle cap filled with peanut butter in the back of the trap and turn it on. When a rodent goes in the trap it walks across two metal plates. That triggers a high voltage circuit and the critter is electrocuted. It is a lot easier to deal with than a conventional mechanical trap.