Outdoor Digital Display Adjustable Ultrasonic Bark Stopper Portable Pet Trainer, CSB-21

1. Material: PP, electronic components
2. Working principle: When the bark stopper detects excessive barking, the microphone will sense the barking and activate the functional component. At this time, the product will emit a safe high-pitched ultrasonic sound that can be heard by dogs but not by humans. When the dog is stimulated by the sound, it will stop barking, because the ultrasound will make the dog feel uncomfortable and the dog will stop barking.
3. Power supply: 9V battery x 1 (delivered without battery)
4. Made of high-quality PP material, anti-fall and durable.
5. The ultrasonic bark arrester can effectively stop dogs from barking and does not require a collar. It is safe and effective.
6. Suitable for all breeds and sizes of dogs.
7. The bark arrester can be hung on a tree in the outdoor yard or placed on a table or other place in the house.