Bubbacare Antibarking for Dogs, 3 Modes Automatic Anti Bell Device with 4 Ultrasonic Transmitters, Audio & Ultrasonic Dog Barking for Outdoor Indoor, Rechargeable Anti-Bark Agent for Dogs

4 ultrasonic transmitters: 2025 upgrade speaker, our new anti-barking device for dogs is safer and more effective in transmitting ultrasonic waves to your dog, which quickly stops your dog's barking. Our bark box works all day to create a quiet and safe environment for you. 3 operating modes: compared to conventional ultrasonic dogs, our dog anti-barking not only has 2 ultrasonic modes (20-25 kHz), but also has developed a sound mode for sensitive dogs. 2. The ultrasonic mode is a silent mode that is not audible to the human ear and does not cause you any problems. 【IP45 Waterproof and Rechargeable】: The charging port of the anti-barking dog is equipped with a lid, so you can control the dog well even on rainy days. It can be hung on the tree, fence, wall and anywhere in the house. Our anti-barking device supports charging via a USB cable. 5 hours full charge can work continuously for 30 days, 60 days in standby mode. Range up to 33 feet: the automatic anti-barking for dogs can detect the dog's barking at a distance of up to 33 feet and then send out ultrasound to stop the barking of your dog or your neighbour's dog, leaving your hands completely free. The dog training device is effective for dogs between 6 months and 8 years between 5 and 80 pounds. It is best to train your dog for 2 weeks. 100% safe and after-sales: The anti-barking agent for dogs uses harmless ultrasonic technology that does not harm people or dogs. We provide 12 months warranty and 30 days unconditional return policy. If you have any problems, please feel free to contact us. We offer you a full refund or replacement.