Product Features:*1. Humanized anti-bark setting with 4 modes (beep, vibration, beep+vibration, beep+vibration+shock)2. 8-level adjustable sensitivity for customized training3. AI technology with smart recognition and motion detection4. Safe training mode with automatic stop after 7 activations5. IP67 waterproof and USB 2.0 charging6. Adjustable strap fits small, medium, and large dogs (8-120 lbs, 8-25 inches neck size)*Product Specifications:*1. Material: Plastic2. Applicable object: General3. Battery capacity: 300mAh4. Screen type: LCD color screen5. Waterproof grade: IP67*Package Includes:*1. Bark Stopper (1 unit)