BarkShield™ – Ultrasonic Dog Training & Bark Control Device

BarkShield™ is an ultrasonic dog training device designed to reduce barking and other unwanted behaviors through advanced technology and a built-in flashlight.

• The description claims scientifically tuned frequencies interrupt unwanted behavior without harming the dog.
• The description claims an effective range up to 50ft.
• The description claims a simple, no-app operation.