【2018 Upgrade Intelligent Chip】Intelligent barking vibration detection instead of sound detection chip prevents false triggering. Only your dog's barking can trigger the no bark collar while other dogs' barking nearby can't trigger it. 【Humane & No Harm】With 7 safe vibration and shock levels, no harm dog training collar. Choose a suitable sensitive level and suitable model for your dog and effectively stop barking with no harm to small or large dogs. 【For Dogs 6-120 lbs】Whether your dog is a small dog or a large dog our adjustable barking collar can fit them just fine. High-quality nylon strap with reflective stripes is easily adjustable. Get your peace of mind back without harming your puppy. 【Water Resistant Design】Dogs can enjoy running in the rain or even in bad weather. This Anti Bark Collar can be worn indoors and outdoors for training consistency. 【Rechargeable with USB】This no bark collar is rechargeable through the USB cable. The energy-saving design supports 10-14 days' use after one fully charge. You can charge the small bark collar with your laptop or mobile phone adapter.