Ultrasonic Anti Barking Device Ultrasonic Stop Barking Device with 4 Sensitivity Adjustable Levels

Feature: 1. [Upgraded version] Ultrasonic anti-bark device can automatically detect bark up to 50 feet. The barking control device automatically emits high sounds that only dogs can hear. After the dog stops barking, the ultrasonic barking control will automatically stop sending out ultrasonic waves. 2. [Safety for dogs and humans] Ultrasound is harmless to pets and completely inaudible to human ears, so the device can be used safely. 3. [Working method] Can be hung on a tree, indoor, outdoor wall or fence to prevent dog barking (within range). When the luxurious outdoor ultrasonic barking alarm clock detects excessive barking, the microphone will respond to the barking and activation components. 4. [Internal design] Built-in rechargeabl