Anti Barking Device for Dogs, 3 Modes Ultrasonic Bark Stopper, Rechargeable Ultrasonic Dog Barking Device Stop Dog Barking 50FT, Dog Barking Deterrent Device Safe for Indoors Outdoors Puppy Large Dogs

【2025 Safe and Humane Anti Barking Device】The ultrasonic anti barking device adopts the latest 2025 auto-sensing dog bark technology and dual ultrasonic speakers to stop dog barking more effectively. The ultrasonic sounds from dual ultrasonic speakers are pet-safe and human-friendly. It is recommended that you give your dog simple barking training and encouragement when using a dog bark stopper to stop barking. This can make the anti-barking effect of the device more effective and lasting. 【Dog Barking Device Effective Range up to 50FT】This anti dog barking device can automatically sense dog barking and work within a maximum effective working range of 50ft. You can place this no barking device in living room or garden. As long as it is within 50 feet, the device can effectively receive the dog barking and start emitting ultrasonic sounds through the dual speakers to stop the barking, without having to move the device around. It is not recommended to use in spaces with obstacles. 【3 Frequency Modes Dog Barking Deterrent Device】This stop barking dog device has 3 adjustable frequency modes. Low frequency 23KHZ is suitable for puppies or sensitive dogs. Medium frequency 25KHZ is suitable for medium-sized or docile dogs. High frequency 23KHZ/27KHZ is an automatic frequency conversion mode, suitable for large or naughty dogs. Choose the appropriate mode according to dog's specific situation. Not recommended to use one mode for a long time, as dogs will become desensitized. 【Rechargeable and Waterproof Dog Bark Stopper】This bark stopper is rechargeable with USB port. Fully charged in 4 hours, it can standby continuously for up to 30 days and work continually for 5-7 days. It's convenient to use USB port of your laptop, charger or power bank to charge the ultrasonic dog barking device. IPX4 waterproof dog barker, durable, weatherproof, sturdy. You can carry and use the bark reducer indoors and outdoors at any time to stop the dogs around you from barking. 【Stop Dog Barking Device Effective On All Size Dogs】The dog barking deterrent device works on all of breeds and sizes dogs, but not work on deaf or hearing impaired dogs and not work on two or more dogs at the same time. Anti barking device for dogs is not suitable for dogs ages younger than 6 months or older than 8 years old. Some dogs may be afraid or dislike the ultrasonic sound, and they will not stop barking at the beginning. Please allow up to 2 weeks for training.