Wide Range of Detection This anti-barking device detects barking up to 50 feet away and activates automatically based on your settings, helping to stop barking quickly and effectively. Adjustable Ultrasonic Levels With four ultrasonic levels, you can adjust the device to the right frequency for your dog s sensitivity, ensuring the most effective bark control. Innovative Birdcage Stand Design The birdcage stand allows easy mounting on trees, walls, or fence posts, providing wider coverage to stop barking from any direction. Safe and Harmless Sound Wave Control This anti-barking device uses harmless ultrasonic sound waves to correct barking behavior, safe for both dogs and humans. Weatherproof Anti-Barking Device The device works in all weather conditions, including rain and wind, as long as you keep the battery compartment dry.