Is your four-legged friend barking too much? An anti-bark collar can help your dog stop barking. This way, you can receive visitors with peace of mind and enjoy a good night's sleep. Anti-bark collars can help dogs learn to stop barking through vibrations and beeps. The anti-bark collar has two training modes: sound and vibration How to use: 1. Lightweight and compact, exquisite appearance, easy to use. 2. Use sound and vibration mode to train your dog. 3. The first two triggers are only audible warnings, and the third trigger will be accompanied by a slight vibration. 4. 7 speed sensitivity settings, which can be adjusted according to the size of the barking sound. 5. One LR44 6V battery. 6. If it works for no reason, or whatever you want to call it, adjust the sensitivity to the appropriate level. 7. When the anti-bark device is low, please replace the battery as soon as possible, otherwise the anti-bark device will not work properly. 8. ABS material. Welcome to a bark-free life!