The Dogtra Smart Nobark Collar is an advanced no-bark solution that uses a triple detection system to accurately identify barking, howling, and whining—eliminating false corrections from ambient noise. Fully waterproof and compact, it offers 100 medium output levels and features auto level increase and vibration for safer, more effective training. Paired with the free Dogtra Smart Nobark app, users can track barking behavior and control settings remotely, though the collar functions independently without the app. With a 30-yard e-collar mode range and precise responsiveness, this collar is ideal for improving your dog’s behavior safely and efficiently.