Check the listing for details. Ahwhg New Anti Barking Device Dog Barking Control Devices Rechargeable G1 Blue. Condition: New. Listed at 19.66 USD. Experience peace and quiet with the Ahwhg Anti Barking Device, designed to effectively train your dog to stop barking excessively. The device utilizes an ultrasonic function that emits a high-pitched sound that's inaudible to humans but startling enough to grab your dog's attention and modify their behavior. The G1 model is equipped with a convenient rechargeable battery and is weatherproof, ensuring it stands up to both indoor and outdoor use. Its sleek design in blue is not only functional but also aesthetically pleasing, allowing you to take it anywhere and blend it seamlessly with your home's decor.