Photo 1 of FETUIO Anti Barking Devices for Dogs, Ultrasonic Dog Bark Control Devices with 3 Modes, 50FT Bark Box Dog Barking Deterrent Devices, Dog Barking Silencer Indoor & Outdoor Safe. (Black)

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Photo 1 of FETUIO Anti Barking Devices for Dogs, Ultrasonic Dog Bark Control Devices with 3 Modes, 50FT Bark Box Dog Barking Deterrent Devices, Dog Barking Silencer Indoor & Outdoor Safe. (Black)Photo 2 of FETUIO Anti Barking Devices for Dogs, Ultrasonic Dog Bark Control Devices with 3 Modes, 50FT Bark Box Dog Barking Deterrent Devices, Dog Barking Silencer Indoor & Outdoor Safe. (Black)