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72)" / (34
Working Time: 2 hours
very good performance making it good products for customer
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Dog Bark Control System Anti Barking Gold 72)" / (34ULTRASONIC DOG BARKING WALL MOUNTED BARK CONTROL Designed by sound control and fitted on the wall. When the dog barks, the sound arouse electric circuit. Ultrasonic wave will emit from product, it discomforts dog but has no harm to dog. Such ultrasonic wave is heard by dog but not by people. After several repeated action, the dog know the extra sound has been caused by his bark , so establish a conditioned reflex. Afterward he would not bark without
