It can be hung on a tree, indoor, outdoor wall or fence to prevent dogs from barking (within range). -Ultrasonic waves are harmless to pets and can not be heard by human ears, so the device can be used safely.
eBay
JJYY Ultrasonic Dog Training Deterrent Whistle, Dog Whistle to Stop Barking Bark Control for Dogs
Aliexpress UK
This MODUS anti-barking device is an ultrasonic bark control collar designed to aid in dog training. It emits a high-pitched sound that is uncomfortable for dogs to listen to, effectively stopping them from barking. The device is made in China and is suitable for use with a variety of dog breeds. The MODUS anti-barking device is a great tool for dog owners looking for an effective way to train their pets. It is easy to use and can be adjusted to fit your dog's neck comfortably. The device is perfect for those who want to improve their dog's behaviour and reduce excessive barking.
eBay
Dog Training Whistle Stop Barking Device Ultrasonic Training Flute Silent Whistle Control Tool Puppy
Aliexpress UK
1 x Bark Arrester. Item Type: Bark Deterrents. Training supplies: It can be used as a tool to train your pet and improve the bad behavior of dogs. Portable: It can be used as a portable tool to drive away dogs when they are mad outdoors, so as to protect their own safety.
eBay
New Ultrasonic Stop Barker Dog Trainer Automatic Sound Control Anti-Barking Rechargeable Deterrent
Aliexpress UK
It can be hung on a tree, indoor, outdoor wall or fence to prevent dogs from barking (within range). -Ultrasonic waves are harmless to pets and can not be heard by human ears, so the device can be used safely.
eBay
Ultrasonic Puppy Obedience Whistles Two-tone Copper Voice Control Stop Barking Tool Portable
Aliexpress UK
The emitted ultrasound can not only stop barking and train dogs, but also drive away animals in the wild. Ultrasound cannot be heard by human ears and can be used safely. Feature : 1. Flashlight + ultrasonic combo, convenient and practical.
eBay
Ultrasonic Anti Barking Device for Dog 3Modes Bark Control Variable Ultrasound Frequencies Automatic
Aliexpress UK
1 x Bark Repeller. Item Type: Bark Deterrents. Training supplies: It can be used as a tool to train your pet and improve the bad behavior of dogs. Portable: It can be used as a portable tool to drive away dogs when they are mad outdoors, so as to protect their own safety.
eBay
Pet Dog Anti Barking Device USB Electric Ultrasonic Dogs Training Collar Dog Stop Barking Vibration
Aliexpress UK
TRAINING MODE: Emits lower intensity ultrasonic waves to assist in daily dog training such as stopping excessive barking, fighting, biting, correcting other unwanted behaviors. Deterrent Mode: Emits higher intensity ultrasonic waves while the flashlight blinks as a warning to prevent other dogs from approaching you.
eBay
Pet Dog Anti Barking Device USB Rechargeable Dogs Training Collar Ultrasonic Stop Barking Vibration
Aliexpress UK
It can be hung on a tree, indoor, outdoor wall or fence to prevent dogs from barking (within range). -Ultrasonic waves are harmless to pets and can not be heard by human ears, so the device can be used safely.
eBay
Pet Dog Anti Barking Device USB Rechargeable Dogs Training Collar Ultrasonic Stop Barking Vibration
Aliexpress UK