【New Microprocessor For Barking Detection】Revolutionary technology and innovative upgrades have been implemented in the new version of the anti bark collar for dogs, which features the latest safe smart chip . to your dog to get them to throw away these bad habits but don’t hurt your pet. 【Keep Your Dog Safe】We believe that dog care always comes first. dog is triggered more than 7 times during 1 minute, it will go into self-protection mode. In this mode, the small dog collar will stop working for 1 minute. This mode aims to protect your dog and give him time to calm down. 【3 Training Modes and 7 Sensitivity Levels】The anti-runaway collar has 3 training modes: sensitivity, vibration, shock .with 7 adjustable sensitivity levels. All of these modes will stop dogs barking without harming them. you will avoid annoying barking and complaints from neighbors. 【Adjustable Collar Size】The electric dog training collar can be adjusted from 10cm to 65cm, which makes it easier to adapt to large dog