YQGWVFI Sonic Anti-Barking Device, Rechargeable Ultrasonic Dog Bark Deterrent, Automatic and Manual 2 Modes (Automatic Ultrasonic Anti-Barking and Manual Dog Training), Indoor and Outdoor Universal

🐶【Automatic + Manual 2 modes】 Most dog bark deterrents have only one mode, The new 2022 bark deterrent has 2 modes (automatic voice trigger + handheld active firing) for manual training and automatic anti-barking. Usually, when we leave home for work, the dog at home will bark excessively. The auto anti-barking feature automatically emits ultrasonic waves when it catches the dog barking to help solve the problem of dogs barking when no one is home.

🐶【Humane way to train dogs】Ultrasonic deterrent is used to control dogs' barking by emitting ultrasonic waves without electric shock or spraying irritating gas. A humane training method to correct unwanted behaviors such as fighting, digging, eating unsafe food, jumping on people, etc.

🐶【Indoor and Outdoor Universal】The sonic anti-barking device can cover an area of 32 feet indoors and outdoors, you can use the ultrasonic deterrent indoors or outdoors to stop your or your neighbor's dog from barking excessively without causing any harm to the dog. It is a humane way to train your dog not to bark.

🐶【Safe for human and dog】 The hearing range of human is 20HZ-20KHZ, while the ultrasonic dog trainer works by emitting ultrasonic waves of 15HZ-120KHZ, dogs can hear this sound, but this sound does not work on human body and is safe for human.

🐶【Suitable For Small, Medium And Large Dogs】Ultrasonic bark deterrent has 3 bands to cope with different body types and sizes of dogs, it is useful for large, medium and small dogs from 6 months to 8 years old, but not for multiple dogs and dogs with hearing impairment and aggressive vicious dogs.