3 Effective Training Modes: The dog bark control collar has 3 modes: vibration, shock and sound. Press the mode button to adjust the shock and vibration modes from 0 to 2. 8 levels. Level 8 is the most, level 0 means disable this mode. Depending on your dog's nature and behavior, you can freely combine these modes to stop your dog from barking. 7 LEVELS OF SENSITIVITYÉ ADJUSTABLE: The anti-bark collar has 7 levels of sensitivity, which can effectively detect the barking of dogs of all sizes. Choose the sensitivity level. appropriate depending on your dog or the surrounding environment. that time. Level 7 is the most sensitive and Level 1 is the least sensitive. The LED screen is very useful to see which mode is activated. and its intensity. Automatic smart collar: the collar works in automatic mode, no remote control required. If triggered more than 6 times in 1 minute, this anti bark collar will stop working for 2 minutes. This mode is designed to protect your dog and give him time