Dogtra Smart NoBark Misc this collar comes equipped with

this collar comes equipped with traditional silver spikes

Small fits approximately 20-28”

Large fits 18" to 24"

App Based E-Collar Control

This is not indestructible and meant for interactive play and bite-work

Dogtra Smart NoBark Misc this collar comes equipped withDogtra 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