Fairy optic motorcycle

Do ultrasonic mouse reppellants work? - diy ultrasonic fogger fogger

I saw them at the local hardware store, and seems a good idea, because they are renewable natural and human, but I wanted to know if anyone has experience with them? Do they?

These are the types that is plugged in to add a high note, though, it does not seem acceptable to the mouse, but not audible to humans / dogs / cats.

My friend has prevented a mouse in your house that often that you sleep at night through her bedroom.