General description Anti-bark collar designed specifically for small to medium dogs weighing between 2.3-6.8 kg. This collar features an adjustable powerful vibration function, ensuring a safe and humane approach to curbing excessive barking without the use of electric shocks or sharp teeth, making it safer for your puppy. Technical specifications Weight capacity: 2.3-6.8 kg Neck size compatibility: 15-50 cm Charging time: 1-2 hours Working time: approximately 15 days Waterproof rating: IP67 Adjustable sensitivity levels: 5 Other information Equipped with smart sensors and chips to detect barking at specific frequencies and decibels, minimizing false triggers from other noises or dogs.