General description The Dog Training Collar is designed to effectively control barking through vibration and sound stimulation, ensuring the safety and health of your dog. This collar is safe and cruelty-free, prioritizing your pet's well-being while providing effective training solutions. Technical specifications Maximum collar diameter: 21 cm (8.2 inches) Adjustable pulse impact force: 0-100 gears Remote control distance: up to 800 meters (in the absence of radio interference) Compatibility and accessories Suitable for small, medium, and large dogs Usage Adjust the strength of the collar from weak to strong to train your pet effectively