Dog Anti Bark Device Ultrasonic for Outdoor and IndoorHumane Behavioral Aid This device offers a humane method for managing canine behavior without the need for collars or shocks. It utilizes ultrasonic signals designed to capture the dog's attention. This approach helps dogs learn better behaviors while ensuring they are not stressed. Simple Operation and Training To use the device, simply point it towards the dog and press the button. It emits a high pitched sound that helps reinforce basic commands