General description This anti-bark collar is designed specifically for small to medium dogs weighing between 5-15 lbs. It features a powerful adjustable vibration function that ensures safety without the use of electric shock or sharp teeth, making it a humane option for training your puppy. The collar is rechargeable, taking only 1-2 hours to charge, and provides approximately 15 days of usage on a single charge. With an IP67 waterproof rating, it is suitable for outdoor use in all weather conditions. Technical specifications Weight capacity: 5-15 lbs Neck size compatibility: 6 to 20 inches Charging time: 1-2 hours Working time: about 15 days Waterproof rating: IP67 Sensitivity levels: 5 adjustable levels Usage Designed to detect barking at specific frequencies and decibels, minimizing false triggers from other sounds or dogs. Adjustable sensitivity allows customization based on ambient noise levels.