Automatic Bark Detection / No Need for Remote Control This automatic anti barking collar utilizes advanced audio recognition technology to detect the barking sounds of dogs and respond immediately. Equipped with advanced bark detection technology, designed to help reduce accidental activation. No need for any remote control operation, it is designed specifically for automatic anti barking control. Progressive Response Gradually Guides Dogs Start with beep and vibration, and gradually adjust the custom settings according to your dog's body size and barking intensity; The safe shock mode is optional and can be turned off. Adjustable and Comfortable Bark Collar This anti bark collar is suitable for 10-120 lbs small, medium, and large dogs, and suitable for dog neck sizes ranging from 7.8 inches to 25 inches. The adjustable collar strap can be adjusted as your dog grows, and the package includes silicone protective cap*4, suitable for long and short haired dogs, ensuring comfort and perfect contact. IP67 Waterproof Design The anti bark collar has an IP67 waterproof rating for daily indoor & outdoor use / suitable for rain, wet grass and everyday outdoor play / built for rainy conditions. 2-Hour Fast Charging, Long-Lasting Use Charging time through USB-C fast charging technology is only 1.5-2 hours, with a working time of up to 20 days. The LCD display screen can check real-time battery status and low battery reminders at any time, making it more convenient for daily use. This automatic anti bark collar is designed to help control excessive barking in a safe and effective way. The built-in sound sensor can detect dog barking and activate the progressive response system, detects barking more accurately helps reduce false triggers. This bark collar works automatically without manual control. Excessive barking may disturb others, it is specifically engineered for bark control, making it ideal for home environments, apartments, and neighborhood settings. You no longer have to worry about your dog barking excessively. Starts with beep and vibration, adjust based on your dog’s barking behavior, stronger correction is optional if needed. Digital display screen, it offers reliable and convenient bark management. Suitable for small, medium, and large breeds weighing 10-120 lbs, adjustable for a wide range of breeds Anti bark collar with IP67 waterproof rating, suitable for daily indoor and outdoor use, suitable for rainy days, designed specifically for daily activities. Fast charging in about 2 hours, up to 20 days of use with low battery reminder for easier daily use.