Ultrasonic Anti Barking Device Control Dog Barking

The dog is our friend, but sometimes its barking is bothering us. Unexpected barking often disturbs neighbor. How do we let our dogs become more gently? This is the Humanely Ultrasonic Anti No Bark Control Device Stop Dog Barking Silencer Hanger, which trigger the ultrasonic wave circuit work through the barking, it will sent out five seconds harsh ultrasonic wave (human cannot hear it) to stop the barking (no harm to dog). The dog will build up the conditioned reflex after experienced many repeated action times, the dog knew the extra sound had been caused by its barking. Afterward the dog wound not bark without reason. In generally, this product will trigger after more than three times barking. With this product, you will liberate from the annoyed barking, and will create a quite environment for you. Features: This Anti Bark Device will trigger after more than three times barking, effectively filter out some false triggering cause by environmental noise or dog occasionally bark. De