1. Features: a. Advanced Ultrasonic Technology: Uses high-frequency sound waves to deter barking, aggression, and animal attacks without physical contact. b. Portable & Lightweight Design: Compact and easy to carry (110x30mm), suitable for indoor and outdoor pet training. c. Dual-Function Device: Works as both a dog repeller and a pet training tool to enhance obedience and prevent unwanted behavior. d. Safe & Humane Training: Non-harmful ultrasonic sound supports stress-free training for pets while helping maintain a peaceful environment. e. Suitable for Pet Owners & Trainers: Appropriate for dog trainers, pet owners, and outdoor enthusiasts seeking an effective anti-barking and behavior control device. 2. Notice: a. Actual color may vary slightly from the image due to different light effects. b. Please allow 1-3cm deviation due to manual measurement. 3. Specifications: a. Battery capacity: 800 mA b. Working hours: 90 days c. Charging time: 0.5 hours d. Rated frequency: 15-40KHZ e. Rated Power: < 3W f. Rated power supplies: DC5V 4. Package List: a. 1x Anti Barking Device for Dogs