Adopting ultrasonic sound, non-toxic, chemical-free, safe to use, your dog can hear it but will not be hurt. -It has 3 adjustable ultrasonic frequency levels including 30KHz for small dogs, 20KHz for docile dogs, and 15/30KHz for large dogs.
eBay
The Dog Bark Deterrent Device does not require constant charging, so you don't have to worry about battery issues during outdoor activities. Built-in LED Makes Night Walks Easy: Enjoy a worry-free night walk with the Dog Behavior Correction Device built-in LED flashlight.
eBay
Emitting high-frequency sound waves that dogs can hear but people can't, it's safe and effective without harming animals. Keep your dogs' behavior in check with our Ultrasonic Dog Barking Device! Ultrasonic Dog Barking Device 1.
eBay
Stop your dog from barking excessively with this ultrasonic anti-barking device. The compact design makes it easy to take on-the-go, and the device is suitable for large, docile, and small dog breeds. It has a battery capacity of 1500mah and is made of durable ABS material. The device comes with three modes to choose from, and it emits an ultrasonic sound that is inaudible to humans but irritating to dogs. It is perfect for outdoor use and can help you train your dog to stop barking excessively. Get your hands on this anti-barking device today and enjoy a quieter life with your furry friend.
eBay
Dreistufige variable Frequenz (25.000 Hz–40.000 Hz) Hochfrequenz-Ultraschall + zwei Blitzlichter. Ein Knopfdruck genugt, um das Verhaltend eines Hundes positiv zu beeinflussen. Das Gerat hilft, unerwunschte Gewohnheiten zu durchbrechen und ein entspanntes Miteinander zu fordern.
eBay
1/2 x Dog Repeller (battery not included). Emits piercing ultrasonic tone that dogs hate. Easy to carry, especially suitable for outdoor work, outdoor travel and security night patrol, and all kinds of dog training use.
eBay
🔹 【RSPCA-Aligned Safety】 - Emits ultrasonic waves inaudible to humans. Independently verified by Animal Behaviour Training College UK - zero pain, 100% non-shock. Complies with UK Animal Welfare Act 2006.
eBay
Effective Dog Barking Deterrent Device: This dog bark deterrent device can attract the attention of dogs and correct their bad behaviors, such as barking, digging, chewing, scratching, biting, and climbing furniture, rapidly in 1 second. It is safe and effective for dogs. Fixed & Flexible Ultrasonic Frequencies: Our dog barking deterrent device emits a fixed ultrasonic frequency of 25KHz. Moreover, the ultrasonic dog bark deterrent can also emit a flexible ultrasonic frequency in the range of 20 ~ 30KHz, and different frequencies have different effects on different dogs. LED Flashlight Feature: The anti - dog barking device is equipped with a powerful LED flashlight, which ensures visibility and safety during nighttime walks or outdoor activities with your dog.
eBay