15000hz, 17500hz & 20000hz Ultrasonic Ultimate Extreme Mouse And Rat Repellent (11 1 2 Hours) ✦ 〈FAST〉

At 11.5 hours , the track is meant to run overnight or during work hours to provide continuous coverage. Critical Limitations and Science

This is the threshold of ultrasound, generally inaudible to most adults but well within the hearing range of mice and rats. At 11.5 hours

While the theory suggests these sounds create an "unbearable" environment for pests, real-world results are often underwhelming: At 11.5 hours

The track cycles through 15,000Hz, 17,500Hz, and 20,000Hz . At 11.5 hours

Electronic Rodent Repellent | Ultrasonic Mouse Repellent - Orkin

The audio includes a "ticking" sound every second as the frequencies switch, which is intended to prevent rodents from habituating (getting used) to a single tone.