Ultrasonic Smart Bark Collar for Large Medium Small for Dogs Automatic Anti Barking Training Collar Rechargeable Bark Collar with Waterproof Vibration and Beep 7 Sensitivity Black

Customers find the bark collar effective, working right out of the box and helping control excessive barking with ultrasonic sounds that catch their attention. The collar is easy to set up and use, with adjustable settings and battery life lasting for days. They appreciate its quality and consider it well worth the money.