General description This Dog Training Collar is designed for effective training with a long-range remote control of up to 2600 feet (875 meters). It features a removable and safe rubber shock head that protects your dog from skin injuries, making it suitable for medium and large dogs. The collar is equipped with a built-in LED light and a reflective strap for enhanced visibility during night walks, and it is waterproof, allowing your dog to swim or bathe freely while wearing it. Technical specifications Remote range: up to 2600 feet (875 meters) Collar size adjustment: 7 to 25.6 inches Waterproof rating: IP65 Shock levels: 1-99 Compatibility and accessories Can control multiple collars separately or together Pair receivers on different channels for individual control Pair receivers on the same channel for simultaneous control Usage Helps correct barking, walking, leash training, sitting, urinating, aggression, and other behavioral obedience Includes Tone and Light modes for additional