A double blow to the pest's nervous system is transmitted through 2 speakers with a coverage of 260 °.

Sound waves in the frequency range from 30,000 Hz to 65,000 Hz affect the nervous system of most rodents and insects through the organs of hearing, they cause unpleasant sensations: pain and discomfort and contribute to their care.

Since these sound waves are outside the range of frequencies that a person hears, they do not have a negative effect on him.

The result of the non-stop continuous operation of the LS-927 ultrasonic repeller you will find in a few days, when the load activity decreases due to the onset of depression. After two weeks, the rats and mice will begin to leave the premises. In 2-3 weeks you will be free from insects.

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