PetSafe Indoor Bark Control - Ultrasonic Indoor Trainer - Automatic Anti-Barking

New in the package. Retails for $29 yours for less. About this item Restore Peace Indoors: The PetSafe Indoor Bark Control is a tabletop bark trainer that reduces barking using ultrasonic tones, making it ideal for any size dog and simple to set up Effective & Versatile Training: This automatic bark trainer activates a gentle 2-second ultrasonic sound when your dog barks, providing a safe, non-collar solution for behavior correction Compact & Convenient Design: Features include battery-operated technology, water-resistant housing, 25-foot range, and multi-room coverage with the purchase of additional units Battery required