General Description The automatic anti-barking device intelligently captures dog barks from up to 15 meters away. It emits a harmless ultrasonic sound that helps distract dogs and stop unwanted barking, allowing you to enjoy a moment of peace and quiet. Technical Specifications Detection range: up to 15 meters Ultrasonic frequencies: harmless to animals and inaudible to humans Battery: rechargeable lithium Charging time: 5 hours Battery life: up to 30 days Compatibility and Accessories Suitable for different types of dogs according to their behavior Three adjustable frequency levels: 15KHZ-30KHZ for large dogs, 20KHZ for gentle dogs, 30KHZ for small dogs Recommended for dogs aged 6 months to 8 years Installation The device can be easily hung on a tree, wall, or fence. It is important that the bark controller is pointed toward the dog and is within unobstructed range. Use For optimal performance, ensure the device is used in an environment where only one dog barks at a time. The