Photo 1 of ***It's used, it's missing a part, and it's not known if it works 100%.***DINJOO Dog Bark Collar for Large/Medium/Small Dogs | Rechargeable Smart AI Anti-Barking Training Collar with 8 Adjustable Sensitivity, Beep & Vibration Modes | Solves Excessive Bark

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Photo 1 of ***It's used, it's missing a part, and it's not known if it works 100%.***DINJOO Dog Bark Collar for Large/Medium/Small Dogs | Rechargeable Smart AI Anti-Barking Training Collar with 8 Adjustable Sensitivity, Beep & Vibration Modes | Solves Excessive Bark