Description
- Emit low frequency sounds designed to repel household pests, no noise for home using
- Plugged into electrical receptacle outlets and they will begin to work when the blue indicator lights are on
- Work by low frequency ultrasonic wave which can repel many kinds of pests quietly and effectively
- Provides a cover area between 800 and 1200 square feet
- Wide applications put one in each room as ultrasound can not penetrate through walls and solid objects
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