When the outdoor ultrasonic anti-barking device detects excessive barking, the built-in microphone activates the device to generate a safe ultrasonic wave that only dogs can hear, encouraging them to stop barking. This ultrasonic anti-barking device creates a physical wave that does not harm owners and other animals or plants. It works by calming the dog down and stopping its barks ( Using 9 Volt Battery (not included)

This device does not use any liquid reagents or chemicals or agents which may be toxic to your pet. Instead, the device uses ultrasound technology, which has no effects on the health of dogs, other animals and plants. It is completely safe for you, friends and family.

This ultrasonic anti-barking device can be hanged/mounted on a tree, wall or fence post to stop your own dogs or neighbors dogs barking (up to 50 feet). The Dog Claw Silencer sports fun and friendly design, making it blend in with your environment.

The Ultrasonic anti-barking device has three modes: up to 4.5m / 15 feet, 9m / 30 feet, 15, / 50 feet. Different modes are selected for different control distances. It generates harmless but effective ultrasonic waves to control excessive barking, so the dogs around you don't bother your life and work.