?Anti Bark Collar Fits Most Dogs?This anti barking device strap measures 65cm, made of skin-friendly and comfortable soft nylon, fits dogs for 8-120lbs with neck sizes 30-65cm. MASBRILL dog bark collar for large medium small dogs. IPX7 level waterproof dog collar can be used outdoors in any weather. Whether it's raining or in a damp environment, you can confidently use the dog bark collar without worries. ?Rechargeable & HD Colour Screen? With USB-C charging, the no bark collars for dogs charge in 2 hours and can last up to 15 days. MASBRILL dog bark collar adopts an intuitive large color display that clearly shows the working status and power level. Remains clear and easy to read both in bright sunlight or dark night. ?Smart Bark Collar, No More False Triggering?This anti bark collar adopts advanced intelligent dog bark recognition chip and motion detection technology. It will detect a dog barking at a specific frequency and decibel that will not be triggered by other sounds. ?3 Humanized, Effective, Safe Training Modes?Our anti bark collars for dogs come with 3 working modes and 7 adjustable sensitivity. Beep, Vibration, Beep+Vibration. The 1-7 adjustable sensitivity let you use a progressive training function. This dog bark collar has a safety-off feature that will temporarily stop working for 75 seconds if it triggers 7 times. ?Automatic Anti Barking Dog Collars?The dog bark collar is full-automatic, no remote control. Just press the S button turn it on and press the M button to select the training mode you wish, then put it on your dog's neck, this dog barking collar will work when your dog barking. All annoying barking at night or after you leave home will disappear. Your family and neighbors will enjoy a barking noise-free environment.