15000hz, 17500hz & 20000hz Ultrasonic Ultimate Extreme Mouse And Rat Repellent (11 1 2 Hours) < Desktop PREMIUM >

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

The track cycles through 15,000Hz, 17,500Hz, and 20,000Hz . This is the threshold of ultrasound, generally inaudible

Electronic Rodent Repellent | Ultrasonic Mouse Repellent - Orkin This is the threshold of ultrasound

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