Sonic Outdoor Stop Barking Control Device Birdhouse CSB10 NIB 50 feet

Sonic Outdoor Stop Barking Control Device Birdhouse CSB10 NIB 50 feet When in range of constant barking, an internal microphone picks up the sound and the unit is activated. It emits an ultrasonic sound that can only be heard by the dog. 4 settings including 3 sensitivity levels and a test mode and is effective up to 50 feet NIB Fits for Most Dogs: This anti barking device works for most dogs, but doesn't work for dogs that are deaf or hearing impaired. If the dog does not stop barking when you first start using anti barking device, please allow 2 weeks for the dog to adjust. Condition: New With Box