Dog silencer™ detects and stops dog barking up to 300ft away using ultrasonic sound. this anti-barking device will stop yours or the neighbor's dog barking!. Dog silencer™ max detects and stops dog barking up to 300ft away using ultrasonic sound. this anti-barking device will stop yours or the neighbor's dog barking!. New, improved electronic remote dog training collars by high tech pet use static stimulus, tone & reward. obedience in 3 quick, easy steps.
The dogington post is proud to do for the dog world what other great online newspapers have done for the dog-eat-dog world. we will show you who's bark is worse than. Profile of four high tech anti barking devices. each uses a different technology and training technique to discourage dogs from barking excessively.. Ultrasound is defined by the american national standards institute as "sound at frequencies greater than 20 khz." in air at atmospheric pressure ultrasonic waves have.