AUTOMATIC ANTI BARKING DEVICE - Our automatic dog bark deterrent senses the sound of a barking dog and emits ultrasonic waves to stop the unwanted behavior. This device can be used indoors or outdoors to deter your own dog, your neighbor's dog, or even stray dogs from barking excessively. With a detection range of 33 feet and an effective range of 50 feet, our anti-bark box utilizes ultrasonic frequencies of 13-15KHZ, 19-21KHZ, and 33-36KHZ to effectively discourage barking

 
SUITABLE FOR INDOOR & OUTDOOR - The anti barking device can be used both indoors and outdoors, with IPX4 function, can achieve rain, snow, sunscreen and other effects, you do not have to worry about Anti Barking Device damage. Use the mounting hole on the back of the anti barking device to hang from a fence or tree or directly on a platform to completely free your hands to train your dog

 
FRIENDLY TO HUMAN AND DOGS - Our anti barking device is designed to create a peaceful living environment for all. It does not emit any pungent smells, electric shocks, or annoying beeping noises, ensuring the safety and well-being of both dogs and humans. The ultrasonic waves are specifically tailored to be inaudible to humans and are harmless to human ears. To make this bark stopper more effective in training your dog to stop barking, please encouragement more on your dog while training

 
3 ADJUSTABLE FREQUENCY MODES DOG BARK STOPPER - Anti barking device has 3 adjustable modes. 15KHZ/30KHZ (automatic frequency conversion mode) is suitable for large naughty dogs. 20KHZ is suitable for docile or medium dogs. 30KHZ is suitable for small or sensitive dogs. Please use the 3 modes on your dog one by one and find out which modes is suitable for your dogs

 
PROFESSIONAL TIPS - The device works on most of breeds and sizes dogs, but don't work on the following situations: aggressive dogs, noisy surroundings, hearing impaired dogs, more dogs together, dogs under 6 months or over 8 years. 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