SmartPets Anti Bark Vibration Training Collar SP 806 designed is base on Vocal
cord vibration from the Pet. This is the safe way to train your pet. The newest
intelligent transmission system is capable to identify the sound of the dogs.
Besides, the "STOP" function won't work if the sound isn't from the
right dog. In that case, we can avoid making mistakes.
The set won't vibrate at the first bark, but if the bark last, the vibration
time will lengthen gradually from the second bark to the six bark. And if the
bark still continue at the highest frequency vibration the set will stop automatically
for about 2 or 3 minutes and then get right. The vibration remind is safe and
effctive. It is a fatherly collar without electric shock. The vibration level
can be adjusted, the masters can adjust the level according to the personalities
of their pets. Adjustable Strap 12"--18" fit Small/Medium/Large Dog.