EXCEPT AND COMFORTABLE, TRAIN YOUR DOG WITHOUT INJURY - anti bark collar with 3 modes Vibration/Sensitivity/Electric Shock gives your dog the stimulation to get them to throw off those bad habits but does not hurt your pet. EFFECTIVE ANTI-BARKING, AWAY FROM NEIGHBOURS - training collar with dog bark sensitive system quickly regulates according to 7 level setting according to your demand, makes the dog learn what is the correct behaviors, no grievance of neighbors. EASY OPERATION, DURABLE USE - automatic collar is easy to operate, no remote control. You need to put it on your dog after adjusting the level. Fully charging the collar in 1 hour will provide 10 days of battery life, lasts a very long time. ADJUSTABLE STRAP FIT DOGS OF ALL SIZES - Strong and durable nylon adjustable strap fits all small to large dogs; Except this, the collar with the special reflective function design is fashionable and practical. Our advices: It is important to start your collar with the lowest level of