General description This Silver Automatic Anti-Bark Collar is designed for effective dog training with intelligent features. It offers two training modes and four sensitivity levels, making it suitable for both novice and experienced dog owners. The collar is equipped with a smart sensor that detects barking while filtering out surrounding noise, ensuring that only your dog's barks activate the collar. Technical specifications Training modes: "sound + vibration" and "sound + vibration + static shock" Sensitivity levels: 4 (most sensitive) to 1 (least sensitive) Weight: 70g Battery: Rechargeable lithium battery with a charging time of 2-3 hours Usage duration: Up to 20 days on a full charge Water resistance: IP67 rated, resistant to rain, splashing water, and dust Strap length: 65cm, suitable for dogs weighing between 5 and 70kg Compatibility and accessories Includes two different contact points for long and short-haired dogs Installation Easy to put on and adjust for your dog's