Waterproof receiver: The training collar receiver is IP67, allowing your dog to swim and shower while wearing the collar. It also means that you can train your dog in all weather conditions. By using the training collar in the normal way, most bad dog behaviors can be corrected or simply taught commands. basic obedience. It can also be used to deter behaviors such as jumping on people, digging holes or chasing other animals. Product Name: New Dog Training Device. The main functions of the product: flashlight, sound, vibration (the intensity level can be adjusted), electric shock (the intensity level can be adjusted), support for a remote control can link two receivers ( A/B), the actual distance of the wireless remote. control is about 250 meters.Theoretical distance 500 meters Three independent channel modes and key lock function: One channel (parameters can be set independently)< /p> Channel B (parameters can be set independently) Common Channel A+B (parameters can be set