Ultrasonic Anti-Barking Device
1.Ultrasonic anti-barking device can automatically detect dog barks 50 feet away. 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 emitting ultrasound.
2.Ultrasound is harmless to pets and completely inaudible to human ears, so the device can be used safely
3.It can be hung on a tree, indoor, outdoor wall or fence to prevent dog barking (within range).
4.The dog training device is suitable for dogs from 6 months to 8 years old.