How do ultrasonic devices work on mice and rats?

Looking for a way to keep mice and rats away from the house? An ultrasonic device may just be the solution to your problem! It is increasingly popular as it is not lethal and does not require the installation of traps.

Do ultrasonic mouse repellents work well in apartments? Can they give you a headache or any other discomfort? - Quora

Do Ultrasonic Rodent Repellents Work?

Ultrasonic Mouse Repellent Electronic Mouse Repellent Control Device for Car Non-Toxic Battery-powered Keep Rodent Marten Away - AliExpress

Pestrol Rodent Free Pro Rat & Mice Repeller

Are Ultrasonic Rat and Mouse Repellents Effective?

Mini ultrasound repeller against mice, rats, and other rodents

Rat research shows ultrasound's potential for depression therapy

How to Get Rid of Mice - Eliminate Relentless Rodents From Your Home