Convincing result 2

The product seems to do its job.

As against the product makes an audible noise when in the room where it is installed also in the mode called "silent" ('quiet') which, although it is not very strong, is sufficiently annoying to prevent someone from sleep. Obviously the discomfort is probably a function of the hearing of everyone, but here everyone, children and parents wishes.

However by turning it off at bedtime and putting it through the day, it is hoped that rodents will not return.

And if no attic layer, you've got an effective and inexpensive product.

-lbe.