Automatic Ultrasonic Dog Anti Bark Device Rechargeable Dog Barking Stopper Indoor & Outdoor High

Friendly Reminder: - Please fully charge before use - We don't recommend using it for neighbors' dogs, as sound waves can't pass through walls Product name: ultrasonic dog anti bark device Suitable for all breeds of dogs Product dimension:10.8cm*7.8cm*4cm Effective working distance: 33ft /10 meters Features: IP45 waterproof, rechargeable, suitable for indoor or outdoor There are multiple function modes: Automatic ultrasonic mode: 15-30KHZ Manual mode I : 20KHZ Manual mode II : 25KHZ Manual mode III : 30KHZ Features When the anti-bark device detects excessive barking, it emits a safe, high-pitched ultrasonic sound that can be heard by dogs but not by humans. The dog will stop barking when stimulated by the ultrasonic sound. No remote control or e-collar is needed to easily solve the nuisance problem caused by excessive barking. The ultrasonic sound only works on the dog and cannot be heard by humans. Therefore, it is normal that when you turn on the device, you don't hear the sound. There is a hanging hole at the top of the device and screws are included so you can hang it from a tree or fence. This barking stopper is rechargeable and waterproof (IP45),t can work for more than 2 weeks on a full charge.