I just received this device and tried to use it right away but the battery was dead. I replaced it and it started to work fine. My dogs are awful at barking so I pushed the button once and they immediately stopped. The second time they started barking and carrying on all I did was put it in my hand and they both stopped. I made a point to reward them. Hopefully this continues to work this well!
Bottom Line: Yes, I would recommend this to a friend
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