1This antibarking device can stop your own dog or neighbor's dog from barking and capture dog barking in the area covered by the system, thereby solving the problem of excessive and noisy dog barking. 2It can be charged anytime and anywhere by USB, equipped with a powerful battery, it can work continuously for 30 after being fully charged and has 3 adjustable volume levels. 3You can easily train the dog's behavior by turning on the knob, the smaller the range, the better the effect, and dogs that bark differently may have different sensitivity to different frequency bands. 4This dog barking device is harmless to pets and human ears, but dogs are sensitive to these waves, and it is an effective training tool for your dog or neighbor dog to disturb. 5The cute owl bark guard can be used as a home decoration to decorate the yard and light in weight, easy to install, and it can be hung on a tree, indoor, outdoor wall or shed fence to prevent the dog from barking. Item Type:OwlShapedDesignBarkSilencer Material: ABS Product Size: Approx. 8.3x11x4.7cm/3.2x4.3x1.8in Battery Type: Lithium Battery (Built-In Battery ) Battery Capacity: 1500mAh Voltage: 3.7V Waterproof Rating: IPX4 1 x Dog Training Device 1 x USB Charging Cable 1 x Lanyard 1 x English Manual 1. It is recommended to use this device to deal with aggressive dogs.2. It is not recommended to use one device to deal with two or more dogs barking at the same time.3. Please allow 12cm/0.30.7in for manual measurement.