Pet Dog Repellent Device To Prevent Barking And Stop Barking Training Device, Coach Guided Ultrasonic Three In One

Pet Dog Repeller Anti Barking Stop Bark Training Device Trainer Led Ultrasonic 3 In 1Pet Dog Repeller Anti Barking Stop Bark Training Device Trainer LED Ultrasonic 3 in 1 - Ultrasonic Dog Chaser and Training Device || Dog Training DeviceULTRASOUND DESIGN: based on the theory that ultrasound, the dog trainer can effectively train your dogs to be obedient and stop some unwanted behaviors, such as barking, digging, chewing and more, also they are harmless to both humans and petsHANDHELD AND CONVENIENT: size of the device is approx. 13 x 4 x 2.8 cm (LWH), which is portable and handheld, also convenient for you to carry anywhere you need, such as jogging or walking, cycling, park and so onMULTI-FUNCTIONS: except as a pet training tool, it also can prevent you from dog attacks, fit for training many kinds of dogs, such as pets, dogs in police and shepherding, suitable for outdoor work, travel and security night patrol.Note: May not be effective for large dogs and fierce dogs