Safe and Effective Sonic Anti Barking Device: Our ultrasonic dog bark deterrent device uses gentle sound wave technology to interfere with the dog's brain waves, this acoustic wave technology is specifically tailored for dogs, in the dog's effective brain wave range, will not harm the dog's brain, gentle and effective to stop the dog barking, gnawing on furniture and other excessive behaviours, people or other animals can not be heard, while the dog is able to effectively produce a response to this sound wave to achieve the effect of stopping barking Upgraded 4 Modes and 50FT Dog Bark Silencer: Ultrasonic Bark Box barking control devices have 4 adjustable modes - Test, 15KHZ (low level) suitable for small dogs, 30KHZ (medium level) suitable for gentle dogs, and 50KHZ (high level) suitable for large and Naughty dogs. Please note: As dogs may not like or be afraid of this small sound when they start using our dog bark stopper, please allow up to 2 weeks for the dog to be trained Safe For Dogs And People: The anti barking device for dogs is safe and effective for dogs of all types and sizes (10-130 lbs).for dogs 6 months to 8 years old.most humane and used widely way to keep your own dog or you neighbors dog from barking Bark Box Easy to Use and Waterproof: The bark deterrent device is compact and lightweight, you can install dog barking silencer in the dog house, table, fence or tree, etc., no bark device is easy to install and with lanyard, and you can also place the sonic bark deterrents for indoor use or take it with you when you are outdoor activities User Guide & Sincere Service: dog bark deterrent devices operates 9-volt batteries(Not Inclued) and will last up to 1 months depending on use.stop barking works best with the anti barking device bark box. Please know that the 9v battery is not included in the box.if you encounter any obstacles in the process of use, or the anti-barking effect is not satisfactory, please be sure to contact us, we will be happy to help you solve the problem

DOG BARK DETERRENT

This bark control device was used to help pet owners to train their pets by transmitting ultrasound.

If you are still bothering when your dogs barking at sleep time，Barking at guests and tearing up sofa ect.

This anti barking devices for dogs uses the principle of conditioned reflex, if the dog makes inappropriate behavior, you can turn on this anti barking

devices and send out uncomfortable ultrasonic waves that only the annimals hears, after a period of time, the dog will stop the inappropriate behavior

because of the ultrasonic waves coming from dog barking control devices.

Four Frequency Modes to Better Control and Train Your Dog

This dog barking silencer indoor has good bark deterrent effect and can be used indoors and outdoors. When the microphone detects dogbarking, it will send a signal to theultrasonic speaker.Emit ultrasonic sound to deter dogbarking. Once the dog barking stops, the barkcontrol will automatically stop emittingultrasonic sound, safe and effective.

This dog barking stopper has 3 adjustable modes.

20KHz-30KHz-35KHz for large and mischievous dogs, High Range Up to 50FT

15KHz-20KHz for tame dogs, Medium Range Up to 33FT

0KHz-15KHz for small dogs, Low Range Up to 12FT