Anti Barking Device, Ultrasonic Anti Bark Device with 3 Adjustable modes, 33Ft Auto Stop Dog Barking Device, IPX4 Waterproof Dog Barking Deterrent Device, Dog Bark Stopper for Indoor & Outdoor

【Ultrasound Dog Training】Three adjustable frequency levels are available to stop dog barking. 15-30 KHz Variable frequency mode, suitable for large or naughty dogs. 20 KHz Medium Fixed Frquency Mode, applicable to docile dogs. 30 KHz High Stable Frquency Mode, usable for small dogs. Different sizes and breeds of dog has different sensitivity to ultrasound, please adjust the suitable frequency according to the dog's condition. 【33Ft Range Auto-Sensing】Using the latest sound sensor technology, the anti barking device automatically detects dog barking and emits safe ultrasonic waves that only dogs can hear to stop your or your neighbor's dog barking. Simply place in any environment where excessive barking occurs. Great for stopping neighbor and homeless dogs from barking outdoors. 【Indoor & Outdoor Use】Featuring a swivel hook on top and a punch-hole mechanism on the back, it can be easily hung or mounted on a tree, fence or wall. The ideal height is level with your dog's ears and is not suitable to accommodate two or more dogs at the same time. Appropriately adjusting the frequency of the dog barking deterrent devices every week can better maintain the training effect. 【Safe and Harmless】Our dog barking control device uses high-pitched ultrasonic technology that is inaudible to humans. It draws dog's attention and remind him to stop barking excessively by associating its barking with this unpleasant sound. The stop dog barking device only works when your dog barks, calming your dog and providing a peaceful sleep environment for your family and neighbors. This humane method causes no harm or discomfort to humans or dogs. 【Durable & Waterproof 】Built-in high capacity rechargeable battery, which can last for 30 days after being fully charge in 5 hours. Anti barking device for dogs indoor has IPX4 waterproof function and the shell material is lightweight and portable. If you have any problems about the product, please be feel free tcontact us first and we will solve it for you within 24 hours.