How to Repel Cats With a High Frequency

Written by jaimie zinski
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There are about 70 million stray cats living in the United States, according to the American Society for the Prevention of Cruelty to Animals. These nuisance animals will enter your yard and cause significant damage, including destroying gardens, urinating in sandboxes and spreading diseases to pets. An ultrasonic cat repellent will emit a high frequency that is not audible to humans, but will prove very annoying to stray cats.

Skill level:

Things you need

  • Batteries

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  1. 1

    Read the instructions for your particular brand of ultrasonic cat repellent for assembly and battery installation. Many brands of ultrasonic repellents are battery powdered or plugged into an outdoor outlet and require minimal assembly.

  2. 2

    Locate the area in your property that is most frequented by the unwanted cats. For example, if the cats are frequenting your garden, install the high-frequency, motion-detecting repellent unit near the garden. The units will have a limited area to trigger the motion detector, generally around 20 to 30 feet from the unit.

  3. 3

    Mount the unit to the wall or plastic stake, if one is included in your unit's kit. Push the stake into the ground.

  4. 4

    Turn on the unit. The unit is used both during the day and at night. The movement of the cat near the unit will trigger it to emit the high-frequency noise. This frequency is also audible to other nuisance animals, including bats and mice.

Tips and warnings

  • Avoid the use of high-frequency cat repellents if you own pet dogs and cats, as they will affect these animals as well.

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