Pets Dog Anti Barking Device Pet Dog Ultrasonic Anti Barking Collars Repeller Outdoor Dogs Stop No Bark Control Training Device Supplies Laundry Products Power supply mode: USB power

Power supply mode: USB power supply (5VDC)

Thimble x1

When retracted

-Does not affect heat dissipation

Beige White

Pets Dog Anti Barking Device Pet Dog Ultrasonic Anti Barking Collars Repeller Outdoor Dogs Stop No Bark Control Training Device Supplies Laundry Products Power supply mode: USB powerProduct features: 1. An 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 an ultrasound. 2. Ultrasound is harmless to pets and completely inaudible to human ears, so the device can be used safely 3. Can be hung on a tree, indoor, or outdoor wall,