PetJoy Barking Collar for Dogs, Bark Collar with Beep & Shock, Bark Collar Automatic, Anti Barking Shock Collar for Small Medium Large Dogs

PetJoy Bark Collar for Dogs, Bark Shock Collar Automatic, Anti Barking Collar with Beep & Shock, Bark Collar Adjustable Sensitivity for All Breeds of Dogs. 【 Automatic Control 】 The bark collar has 2 training modes with beep and shock, that help eliminate dog barking with automatic performance. 【 Protected Mode 】 Barking collars use 7 levels of progressive training. When dog bark collar works 7 times in a row, it will enter a standby protection mode for 60 seconds which will be more humane. 【 5 Sensitivity Levels 】 Adjust the sensitivity of the barking collar via the buttons '+' and '-', in order to adapt to different breeds and sizes of dogs. Automatic Bark Collar has total 5 sensitivity levels. 【 Easy to Train 】 This bark collar will work automatically once set up. This self-controlled barking collar responds instantly to barking. Your dog will soon learn that annoying barking is not okay. 【 Adjustable Collar Strap 】 The collar strap of the barking collar can be adjusted the appropriate collar strap length to your dog's neck, up to 27 inches long