Check the listing for details. MODUS Automatic Ultrasonic Bark Control (Gold). Condition: New. Listed at 32.00 USD. Introducing the MODUS Automatic Ultrasonic Bark Control device in a sleek gold color. This powerful tool is perfect for dog owners who are looking to train their pets and prevent excessive barking. The device emits high-frequency sound waves that are inaudible to humans but effective in getting your dog's attention and discouraging barking. With its ultrasonic function, the MODUS bark control is a safe and humane way to train your dog without causing any harm or discomfort. This device is made by the trusted brand Modus and is specifically designed for pet owners who want to establish better communication with their furry friends. The MODUS Automatic Ultrasonic Bark Control is ideal for use in various environments and will help you keep your dog from barking excessively.