3 Levels Bark control device has 3 levels of sensitivity (effective range at 4.5, 9 to 15.24 m) and a test level. There are 3 frequency levels (15‑30 KHz, suitable for large, playful dogs; 20KHz for gentle dogs; 30KHz suitable for small dogs).
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Efficient Anti Barking When excessive barking is detected, the dog bark deterrent will sense the barking and activate the component, which effectively stops the dog from barking and does not require a receiving collar. Sensor distance up to 16 feet.
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Safe for Dogs Dog barking control devices emit a safe, high pitched beeping sound wave that can be heard by dogs but not by humans. The dog is stimulated by the sound and will stop barking. Suitable for all breeds and sizes of dogs.
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