【4 Effective Workout Modes & 【Safe】- Dog training collar help you teach your doggie good behavior under 4 modes (beep/vibration/static electricity). This dog electric collar developed for pet owners, dog walkers, as well as professional trainers, correcting annoying habits like barking, chewing, biting, digging. Wait and greet a polite furry friend with help 【Adjustable for Dogs of All Sizes】- Unlike those complicated dog training collars with a hundred levels, the static level of4 hunting dog training collar is reduced to 10. It is easier for the dog to clearly feel the difference and the training will come out more effectively. Besides, this training collar for small/medium/large dog is adjustable in size between 25-68cm. Whether it’s a big dog or a puppy, it’s all right. 【Long Battery Life up to 45 Days】- The large dog training collar remote and receiver are rechargeable. It’s easy to recharge the waterproof dog training collar via USB from any USB device or wall outlet. It lasts
