Rapid, proven results - Ultrasonic training delivers faster behavior modification: up to 2.7x faster than the best dog obedience programs, and 3.4x more effective than a whistle. - Designed to stop barking and other nuisance behaviors quickly and reliably. Safe and humane training - No painful shocks or static punishment. Ultrasonic and whistle-based cues are used with hearing safety in mind. - 8-second ultrasonic auto-shut off protects your dog’s ears. - Hold function to extend whistle and strobe for focused training when needed. Versatile multi-mode device - Multi-mode operation includes 25 kHz ultrasonic training mode, dog whistle mode, strobe, and flashlight. - Indoor and outdoor use to adapt to different environments and scenarios. - Simple controls help you switch modes as training progresses. Long battery life and quick charging - 1000 mAh battery for lasting performance. - Up to 32 hours of operation on a full charge. - Rapid 1-hour charge to get you back in action quickly. Practical use and protection - Premium pup protection with advanced features that balance rapid training with sensitive hearing. - Helps reduce neighbor disturbance and promote a peaceful home and outdoor environment. Use scenarios - At home: quiets persistent barking when guests arrive or during noise events. - On walks or in the yard: reduces barking at other dogs or wildlife, improving safety and harmony. - In the evening: minimizes night-time barking to protect neighbors’ sleep. Note: All specifications and functions reflect the original product’s design for indoor/outdoor bark control, including 1000 mAh battery, 32-hour runtime, 1-hour quick charge, 8-second ultrasonic auto-shut off, hold function, and modes (25 kHz ultrasonic, dog whistle, strobe, and flashlight).