• Anti-bark collar with 2 training modes: sound and vibration, which help prevent excessive barking safely. • Automatic detection: the collar emits a warning sound when barking is detected and, if it persists, adds vibration to reinforce the correction. • 7 adjustable sensitivity levels, adapting to the volume and duration of the dog's barking. • Adjustable strap with white reflective bands, allowing you to easily locate the dog in the dark. • Intelligent detection system that recognizes the dog's real barks through sensors and chips, preventing activation by external noises or other dogs' barks. • Long battery life: can be used for more than 2 consecutive weeks without recharging, only requires battery replacement. • Comfortable and safe design, with an easy-to-use buckle and plastic contact covers to prevent chafing on the dog's neck. • Suitable for correcting barking habits in dogs of different sizes.