" [Anti-bark collar with 2 modes] - Safety 2 humanized working modes that will not cause any harm to your dog. When a bark is detected, it will beep or beep and vibrate. The anti-bark collar will continue to bypass the problem to move to the next correction level until the dog stops barking. Depending on the type and behavior of your pet, select the trigger sensitivity from 1 to 7 using the power button to stop your dog from barking. 【Intelligent anti-barking device】A smart anti-barking device that can effectively and safely filter out other unrelated noises and prevent your dog's barking from triggering the anti-bark collar, the sensor microphone blows or shouts on the back of the receiver. p> 【Adjustable safety sensitivity of the anti-bark collar for dogs】 - This anti-bark dog collar offers 7 sensitivity levels for all possible volumes of bark and for different environments, then you can use it. You can adjust the sensitivity level of your ferret appropriately. Level 7 is the most