Different functions andamp; Adjustable Levels: dog bark collar is equipped with 3 modes: beep/vibration/electric shock. Except the beep mode, the stimulation levels of the other two modes can be adjusted from 0 to 7. This electric anti bark collar can effectively stop dogs barking abnormally and it is easy to use. All stimulations are well tested and safe, they do not harm your dog. Sensitive Sensor andamp; Self-Protection Mode: A+ Trainer anti-bark dog collar is equipped with sensitive sensors, it can detect the barking of the dog wearing it and is not disturbed by other noises. If the automatic collar triggers too much, you can lower the sensitivity level. In order to protect your false trigger dog, the self-protection mode will be activated if the collar is activated 7 times in one minute. It will turn off for one minute and display inchEinch. Adjustable Strap: The electric dog bark collar with an adjustable nylon strap is suitable for dogs whose neck size is between 18 cm and 58
