Pestbye Advanced Dog Barkbuster,
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This review is from: Pestbye Advanced Dog Barkbuster Bark Stopper - Bark Control Device for Indoor or Outdoor Use (Misc.)
This is the best yet .... it works on the pack of little doggies next door without hurting them. We did not have much success with another model so we looked on the internet and found that this one had good reviews. Now we can come and go peacefully and enjoy the garden.