Ultrasonic Dog Barking Deterrent - Rechargeable Barking Control Unit - Dog Barking Deterrent Unit - Dog Behavior Training Tool Control Unit 16.4 Feet Effective Control Range with Dog Whistle 【Work Guidelines】 This product adopts ultrasonic bark control technology. The product will automatically emit ultrasonic waves after detecting dog barking, which can only be heard by dogs, but not by humans. Dogs are startled by sudden high-frequency sounds and usually stop barking. It associates barking with an unpleasant sound, and when repeated a few times, the dog will find that the barking is causing him discomfort and will gradually reduce the barking. This anti-barking method is safe and effective. In order to prevent dogs from being immune to sound interference, multi-sound wave processing is technically carried out, so that the device has a continuous effect on dog barking! Product name: dog repeller Item model number: P03 Audio: 20-25KHZ Sound mode: 1. Continuous 2. Intermittent 3.
