автоматическое голосовое управление дрессировщиком большой стопор коры собаки регулируемая чувствительность обучение pet ожерелье

[method of use put the white test lamp on the two conductive bolts of the bark stopper, blow air into the induction hole of the bark stopper or bark loudly like a dog. after three warning sounds of the bark stopper, the test lamp will emit weak light, which is called static electricity, indicating that the product has been tested successfully. it can be worn around the dog's neck!