Photo 1 of Anti Barking Devices for Dogs, Ultrasonic Dog Bark Deterrent Devices with 3 Levels, Rechargeable Bark Box Barking Dog Deterrent Indoor Outdoor Use. Dog Barking Silencer Safe for Dog & People. (Black)

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Photo 1 of Anti Barking Devices for Dogs, Ultrasonic Dog Bark Deterrent Devices with 3 Levels, Rechargeable Bark Box Barking Dog Deterrent Indoor Outdoor Use. Dog Barking Silencer Safe for Dog & People. (Black)Photo 2 of Anti Barking Devices for Dogs, Ultrasonic Dog Bark Deterrent Devices with 3 Levels, Rechargeable Bark Box Barking Dog Deterrent Indoor Outdoor Use. Dog Barking Silencer Safe for Dog & People. (Black)