New PD258-S Pet Dog Training Collar Anti-barking Collar Electric Shock Adjustable Nylon Strip USB Charging Dog Trainer General
* The buckle is in flat shape, when touching the dog's neck, he will not feel umcomfortable.
* Humane, Electric insulation, when wearing the buckle, dog will not feel the electric shock at all, but dog didn't know the reason so it was still a threaten if dog wanna barking again