The new Anti Barking Device for Dogs by SXKJJC, the best solution for your dog's barking problem. This 2-in-1 ultrasonic dog trainer and bark control device emits a safe and effective frequency of 24KHZ, not audible to humans but works for small, medium, or large dogs. It helps prevent dogs from barking, digging, scratching, biting, and other unwanted behaviors. The Ultrasonic Dog Bark Deterrent has an effective control range of up to 16.4ft, making it perfect for outdoor and indoor use. Its portable size comes with a wrist strap, making it convenient for you to carry anywhere you go. Just press the button and point the device at the dog while barking or approaching you, and the dog will stop behaving badly. The rechargeable bark control device uses USB charging, saving you money on batteries. You can expect fast charging within 2 hours which works for about 15 days, ensuring you always have it reliable outdoor and indoor. It is also safe for both humans and dogs and does not harm their hearing. In summary, bark box by SXKJJC is the best anti-barking device for dogs, dog silencer, dog barking stopper, dog deterrent devices, and an excellent dog barking deterrent outdoor. If you are looking for a safe, effective, and affordable way to stop dog barking, then look no further than our ultrasonic dog bark deterrent. Stop indoor dog barking in a humane way with our ultrasonic dog repellent. Try our anti barking device for dogs indoor and outdoor for the best results and get peace of mind knowing you can stop dogs from barking with this high-frequency dog bark control.