General description The Anti Bark Dog Ultrasonic Device is designed to help train dogs to stop barking using ultrasonic sound. It is effective for most breeds and sizes, but may not work on deaf or hard of hearing dogs. The device is hands-free, allowing for easy training by simply turning a knob. Technical specifications Range: Up to 50 feet Battery: Built-in 1500mAH lithium battery Charging time: 5 hours Continuous operation: 30 days on a full charge Waterproof rating: IPX4 Material: Durable ABS housing Installation Can be easily hung or mounted on a tree, wall, or fence post Ensure the device is facing the dog within easy reach Usage Effective training may take up to 2 weeks Not recommended for use on multiple dogs barking simultaneously Some dogs may initially be afraid or dislike the ultrasonic sound Other information Low battery indicator for timely charging Safe for pets