Dogtra Smart NoBark Bark Collar From Dogtra:

From Dogtra:

The 5/8" has smaller black hardware than the 3/4" width

while smaller pieces work well for lighter chewers

The 200iQ e-collar makes dog training simple and stress-free

Dogtra Smart NoBark Bark Collar From Dogtra:Dogtra Smart NoBark is our most accurate no bark collar yet, detecting barking, whining, and howling with a triple detection system that filters out false triggers. Paired with an app (but NOT required to run the collar) that tracks your dogs barking behavior and offers e collar control, it gives you full oversight and control, all while ensuring your dogs safety while improving barking behavior. Detects Ambient Noise for Accurate Correction Free