Photo 1 of Dr.Trainer B1/B1Pro Bark Collar with Smartphone APP Control/Watch APP, Anti Barking Collar Smart Progressive Mode with Barking Report, Stop Barking Collar for Small Medium Large Dogs (No Shock) Pro Version (B1Pro)

Double tap image to zoom

Photo 1 of Dr.Trainer B1/B1Pro Bark Collar with Smartphone APP Control/Watch APP, Anti Barking Collar Smart Progressive Mode with Barking Report, Stop Barking Collar for Small Medium Large Dogs (No Shock) Pro Version (B1Pro)Photo 2 of Dr.Trainer B1/B1Pro Bark Collar with Smartphone APP Control/Watch APP, Anti Barking Collar Smart Progressive Mode with Barking Report, Stop Barking Collar for Small Medium Large Dogs (No Shock) Pro Version (B1Pro)