• Safe and Friendly: The ultrasound frequency of bark deterrent device can only suitable for dogs. The device does not contain chemicals, therefore it is harmless to humans or animals. The device works by ultrasound frequency without harm to the dogs.it’s dog-friendly, and meanwhile to ensure the stopping barking though 3 adjustable modes
• Automatic Dog Barking Deterrent Devices:One button control, press the switch 1 second, adjust to suitable mode, the red working light flashes every 5 seconds. When it’s triggered by the sound of dog bark, the bark silencer device will work and emit the ultrasound automatically,meanwhile the light will turn blue
• 3 Adjustable Modes and Range Up to 30KHz:Dog barking silencer provide wide ultrasound range, 3 modes to adjust:20KHz/25KHz/30KHz,which suitable for either small or large dogs. If the dog resist the same ultrasonic frequency, please change the mode every 7-10 days
• Rechargeable and Easy to Use: Type-C charging port. Full charge can last for 30 days on. And only one press to control, and universal for indoor and outdoor uses
• Longer Control Distance:The control range of dog bark deterrent is 32fts. Although the ultrasonic dog trainer device could emit wide range of ultrasound to work on various breeds and sizes of dogs,the device will fail to stop barking if the dog has the hearing issue or very aggressive

• Product Dimensions ‏ : ‎ 2.99 x 1.42 x 3.6 inches; 5.29 ounces
• Batteries ‏ : ‎ 1 Lithium Ion batteries required. (included)
• Date First Available ‏ : ‎ February 14, 2025
• Manufacturer ‏ : ‎ Babluble
• Country of Origin ‏ : ‎ China