Anti Barking Device for Dogs - Dog Bark Deterrent Devices for Stopping Bad Dog Behavior - Ultrasonic Dog Bark Deterrent, Refuse to Shout and Slap - Best Anti Barking Device Rechargeable（Pink）

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About This 【Dual Sound Wave Modes, Fit Various Training Needs】​ This dog bark deterrent uses two safe and effective sound waves in the 22-25KHZ range. Scientifically alternating fr equencies prevent dogs from developing immunity to a single tone. Whether at home or outdoors, the sound waves gently correct canine behavior without irritating human hearing, allowing pet owners to train with peace of mind. Show more