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- Ultrasonic anti-barking device is within range of a barking dog, an internal microphone picks up the sound and the unit is automatically activated. The Bark Control emits an ultrasonic sound. The ultrasonic sound can be heard by dogs but is silent to humans
- witch with 4 levels of operation including a test mode. Test-used to verify the microphone and speaker are functional.
- Outdoor sonic bark silencer can be hung on a tree, indoor, outdoor wall or fence post to stop dogs barking. Make sure the ultrasonic bark house be placed facing the dog and within range of the dog up to 50 feet away.
- The ultrasonic bark controller uses high-frequency sound that works to reduce excessive bark of dogs within hearing range; suitable for dogs 3 months and older up to 50 feet range. Note: If the dog is deaf or hearing impaired, he may not react to the Bark Control Device.IQIGOEI
- ENERGY SAVING: Operates 9-Volt batteries (not included),average battery life 5-6 months depending on use。Yao Yeow