Petsafe Barkender PBC13-13208 Manual De Funcionamiento página 3

Not for use with aggressive dogs. Do not use this Product if
your dog is aggressive, or if your dog is prone to aggressive
behavior. Aggressive dogs can cause severe injury and even
death to their owner and others. If you are unsure whether
this product is appropriate for your dog, please consult your
veterinarian or certified trainer.
The Bark Control Collar is not a toy. Keep it away from the
reach of children. Use it only for its bark stopping purpose.
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