ZNFSZ TOTIE Dog Bark Collar -5 Adjustable Sensitivity and Intensity Levels-Dual Anti-Barking Modes Rechargeable/Rainproof/Reflective -No Shock Barking Control Dog Collar for Small Medium Large DogsThe collar has 5levels of adjustable sensitivity and 3 training modes effectively stopping the barking with no harm to the dogs of all types. We Do It: Our vision has always been to create an perfect no bark collar. Equally for your dog and for you. And so intelligent it can respond to dog barks when its required, comfortable and ultimately effective. With our New Dog Bark Collar for small, medium large dogs, that vision is now a reality. Welcome to