【Safe and Convenient】The rechargeable anti-bark collar with 3 modes of vibration/sensitivity/electric shock gives your dog the necessary stimulation to break those bad habits without hurting your pet. 【Intelligent protection mode: Anti-bark collar with protection mode, automatically switches to protection mode one minute after 7 starts. In this case, the anti-bark collar for dogs protects your dog from possible accidents! Two silicone sleeves can protect the dog’s skin from electric shock. 【High Quality Lithium Battery】Rechargeable dog anti bark collar with large capacity battery built in charging only 30 minutes and working about 12-15 days, intelligent battery management for long-term standby, battery life is not less than 3 years. 【Suitable for all dog sizes】 Easy Operation, Durable Use Automatic anti-bell dog collar is easy to operate, no remote control needed. You need to put it on your dog after setting the level.