[3 Training Modes & LED Lights ]iMounTEK Electronic Dog Training Collar provides 4 modes(beep. vibration. light and shock modes) for you to train the dog's basic obedience commands. correct bad behavior and habits. Adjustable 0-100 Levels of vibration and static shock mode to select intensity of training. LED light helps to locate your dogs in the dark environment. Tips Please ensure dual contacts touch the dog's skin both. then it will have a better effect for long hair dogs. [1640 ft Remote Range]iMounTEK Electronic Training Collar for dogs will let you enjoy the training time with your pet in a long distance up to 1640 ft(no obstacle) and 492ft(with obstacle). You could feel free to train your dog in both the park. backyard and different rooms. One remote can pair with max 2 receivers. NoteOnly includes one receiver and one transmitter. You can browse our online shop if you want to buy more receivers. [Long Battery Life &amp. Power-Saving] Built-in 300mAh rechargeable lithium battery can last up to a week in normal use(depends on the frequency of utilization) after fully charging with 2-in-1 charging cable(included). Both remote and receiver will go into standby mode if no operation. which is power-saving. [Waterproof &. Dustproof]IP67 Water resistant and dust prevention performance lets your pet dog bath or swim safely with it.(NOTEPlease don't put it in the water for a long time.) [Safe Silicone Contactor]Comes with high conductivity silicone contactor to protect your pet dogs skin from being hurt and can ensure good training effectively.