Ultrasound repellent devices claim to drive away mice.
Ultrasound devices release high-frequency, ultrasonic sound meant to keep mice away from certain areas. They usually come with high price tags and claims that promise their efficacy. However, scientists doubt that these devices work. Does this Spark an idea?
Travel Distance
Ultrasound travels short distances, decreasing in intensity as it goes farther from the source. It also travels in certain directions and doesn't go around corners, creating areas where ultrasound does not reach.
Intensity
Ultrasound has the potential to cause severe physiological damage to mice, but repellent devices have to produce high-intensity ultrasonic sound, according to a paper titled "The Handbook: Prevention and Control of Wildlife Damage" posted on the University of Nebraska website. This level of intensity can harm humans and non-target animals as well. Commercial ultrasound devices don't produce damaging levels of ultrasound.
Efficacy
No scientific data supports the claims that ultrasound can drive mice away from certain areas or that it can kill mice, according to the University of Nebraska web page. Ultrasound has limited effectiveness in controlling mouse infestations. Conventional methods of trapping and setting toxic baits can work more effectively.
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