SAFE AND CONVENIENT, TRAIN YOUR DOG WITHOUT HARMING HIM - Rechargeable anti-bark collar with 3 modes (vibration/sensitivity/electric shock) stimulates your dog to break these bad habits without hurting him. EFFECTIVE ANTI-BARKING, AWAY FROM NEIGHBORS - Dog training collar with a sensitive dog barking system that can be quickly adjusted to 7 levels as desired, so your dog learns proper behavior without neighbors complaining. EASY TO USE, DURABLE - The automatic anti-bark collar for dogs is easy to use; it does not have a remote control. After setting the level, you need to put it on your dog. A full charge of the collar in 1 hour provides a battery life of 10 days, which is very long-lasting. ADJUSTABLE STRAP, FITS DOGS OF ALL SIZES - The adjustable nylon strap is strong and durable enough to fit all small and large dogs; moreover, the dog collar with its special reflective function design is fashionable and practical. WATERPROOF AND RECHARGEABLE - 100% waterproof, rechargeable battery