The dog training collar is a useful and effective tool to help correct misbehavior of your pet dog, which can give you a best-trained and well-behaved one. Comes with an 875 Yard 2625ft effective remote control range and a high-sensitive receiver for pet to receive signal, which brings much convenience to train your pet. Features: Long Range Remote and High-sensitive Receiver: Up to 2625ft barrier free remote control range with a high sensitivity receiver for pet to receive signal. One remote ca