Automatic Anti-Barking & Safety Protection ModeThis automatic bark collar for large dogs simplifies training: just power on, fasten around your dogs neck, and let it work. It eliminates disruptive barking at night or when youre away, ensuring peace for your household and neighbors. Equipped with a safety pause function, the collar automatically stops triggering for 1 minute after 8 activations. Easily restart by pressing any button to resume safe, controlled training. 4 Humanized Training ModesOur bark collar for medium dogs offers 4 adjustable modes (Beep, Vibration, Beep+Vibration, and Safe Static with High/Low intensity) to customize training for your dogs temperament. The progressive training feature gradually increases stimulation only when barking persists, reinforcing good behavior positively. This science-backed approach ensures effective results while prioritizing your pets comfort. 2025 Upgraded AI Technology Zero False TriggersPowered by an advanced AI bark recognition chip and motion detection, this smart collar for small dogs eliminates false activations. Rapid Charging + Long-Lasting PerformanceWith USB-C fast charging, the collar fully powers up in just 2 hours and lasts 16 days on a single charge. The intuitive large LED color display shows real-time battery status, low-power alerts, and mode settings, adding a modern tech-driven touch. Effortlessly monitor performance and ensure hassle-free use for busy pet owners. All-Size Comfort + IPX7 Waterproof DesignThe 27-inch adjustable strap, crafted from soft, skin-friendly nylon, fits dogs 8120 lbs with neck sizes 627 inches perfect for small, medium, and large breeds. The IPX7 waterproof rating lets your dog swim, bathe, or play in the rain worry-free. Durable yet lightweight, this collar ensures all-day comfort while delivering reliable barking control in any environment.