The 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.

• Ultrasound is harmless to pets and completely inaudible to human ears, so the device can be used safely
• It can be hung on a tree, indoor, outdoor wall, or fence to prevent dog barking (within range).
• The dog training device is suitable for dogs from 6 months to 8 years old.

NOTES:
1. The sound wave frequency range heard by normal adults is 20HZ-20KHZ, and the sound wave frequency range of dogs is 15HZ-120KHZ. Can cause hearing damage to dogs.
2. Automatic ultrasonic bark arrester, only suitable for quiet and indoor use.
3. Pay attention to staying away from places where there is interference from sound sources.
4. This product is only suitable for single dog use.

Specifications:
Item Type: Bark Deterrents
Is Smart Device: NO
Material: Plastic
type: Dog Training
type 3: Ultrasonic Dog Silencer

Package Included:
1x Dog Training Device
1x USB cable
1x Manual