Specifications:

• Rechargeable and Easy to Use: Our sonic anti bark device can be easily hung on a tree, garden fence, table or dog house, very convenient to use on your or your neighbor's dog. The anti bark device has a built-in 1500 mAh rechargeable battery, which can be charged for 5 hours and can be used for 30 days, easy to operate and easy to use, it is a friendly dog ??bark device for your furry friend (please , please charge the device before use).
• Durable and Waterproof Dog Silencer: This dog anti bark device has IPX4 waterproof housing to withstand all kinds of bad weather, so you don't have to use the dog bark control devices due to weather, no matter in days Sunny, rainy or snowy, our bark stopper can stand the test, and you can rest assured that the dog deterrent devices are safe to use outdoors.
• Safe and Effective Bark Box: Our ultrasonic dog bark control device uses advanced ultrasonic technology to stop excessive barking without harming your beloved pet. The gentle but effective ultrasound serves as a communication tool to teach your dog when it is time to stay calm. Designed with your pet's health in mind, our anti-bark device is carefully designed to be safe and harmless to dogs. The humanized design ensures that your dog learns to control excessive barking without any harm.
• Automatic anti-bark devices: Tired of constant noise? Automatic bark deterrents are your answer. Our dog deterrent devices automatically detect and respond to excessive barking, helping you regain control of indoor noise levels. Ideal not only for indoor home use but also for placement outside.
• 33 Feet & 3 Adjustable Modes: Our ultrasonic bark stopper has three adjustable modes, you can choose the one that is suitable for your dog according to your dog's specific situation. Mode 1 (15kHz ~ 30khz): more suitable for large dogs or active dogs, mode 2 (20khz): suitable for docile dogs, mode 3 (30khz): suitable for small dogs. Our anti dog bark device can cover a range of 33 feet, ensuring effective coverage of a considerable area.

Anti Bark Devices, Automatic Dog Bark Control Devices with 3 Modes, Rechargeable Ultrasonic Bark Deterrent Devices for Dogs