Dogtra Smart Nobark CollarDesigned to stop barking Detects barking, whining and howling Includes ap for tracking barking App allows e collar control [split] 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 that tracks your dogs barking behavior and offers e collar control, it gives you full oversight and control, all while ensuring your dogs