Features:
- This unit operates totally chemical and battery free
- Inaudible and harmless to humans and common pets
- Ultrasonic sounds continuously penetrate up to 5,000 unobstructed square feet
- Do not use in the presence of gerbils, hamsters, guinea pigs and other rodent pets
- Uses automatic wave variation, minimizing the chance that pests become immune to the sound
- Produces strong sound pressure in the air, attacking the auditory and nervous systems of rodents causing them to abandon their food sources and shelters
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