Sensitivity chip improved in version 2022: thanks to the feedback we received on the use of the anti-bark collar, we have improved the the chip to be more human and less sensitive. You can finally control your dog’s barking, which will make you and your dog happier. 2 training modes and 4 levels of sensitivity. : the receiver is designed with a digital display to show the level and sensitivity. fashions. Red light for “sound+vibration+shock” mode, green light for “sound+vibration” mode, and each mode has 4 levels of sensitivity. The most effective mode can be chosen for training the dog, depending on its nature and behavior. Automatic mode: put the anti-bark collar in automatic mode and let it do the rest! If the collar triggers more than 6 times within 1 minute, it will enter protection mode, which will disable it for 2 minutes to ensure safety. of the dog. Resistant to water and rechargeable: the IP67 anti-bark collar is water resistant. water allows use indoors and outdoors, and in