This WT-850N is an E-collar designed for eliminating the noisy barking with a delicate Anti-Bark sensor inside, the whole set could be activated when your dog barks, high-frequency sound wave would be sent out warning him to stop barking, then vibration function would be triggered to get your dog trained forcing him to understand making noises is improper at that time. By using this bark collar, you can control your dog barking at any time easily and effectively.
PET-850N have 7 levels for sensitivity making it easy to control the bark sound to proper degree, and the vibration could be also controlled from 1-7 levels, you just need to choose the right vibrating level for dogs, safe and easy.
No more worrying about the water problem when train your dog, the receiver with great waterproof ability can give your dog enough time to enjoy the cool summer, and the comfortable collar could make sure the receiver is fastened in a proper way.
Get the Dog Bark Collar charged when the power is not enough, you don't need to worry about the battery problems, besides, the automatic power saving design could always allow you enough enjoyable time getting together with your dogs.