General description The Bark Stopper is an ultrasonic bark control device designed to help manage unwanted barking from dogs. It detects barking from up to 15 meters away and emits an ultrasonic sound that is inaudible to humans but effective in distracting dogs. This device is suitable for both small and large dogs, providing a peaceful environment for you and your neighbors. Technical specifications Detection range: up to 15 meters Frequency levels: 15 kHz - 30 kHz (for large and medium-sized dogs), 20 kHz (for docile dogs), 30 kHz (for small dogs) Battery: built-in rechargeable lithium battery Operating time: up to 30 days on a full 5-hour charge Installation The device can be hung on a tree, wall, or fence. Ensure the device is facing the dog and is in an easily accessible and unobstructed position. Usage Recommended for dogs aged 6 months to 8 years. Not suitable for use against multiple dogs barking simultaneously. May not be effective for dogs that are hard of hearing or