From first glance, it is believed to have made the purchase that will get rid of harmful for long ... but in fact, we must believe that these small rodents are more cunning than humans, and for good reason, mice habituate soon to ultra sounds ..... !
I put 2 stars, because the document is not in French, the device is supposed to emit ultrasonic ms those remains audible: a shrill and irritating noise when you got its effectiveness is to see on the length ...
purchased in September 2013, this unit does not work at all in January 2014 ?????? Four months of use, what recourse for an exchange or refund. Thank you.
I had mice that were running in the attic, after commissioning of this unit, and after a few days the noises stopped, mice are parties, very effective device