The DOG CARE Model TC01 Dog Training Collar System is a reliable and effective tool for training dogs of any size and breed. It features adjustable shock levels, a remote control for convenient operation, and a low battery indicator for added convenience. This collar is waterproof, making it suitable for use in various environments, and it operates on a smart home protocol with Bluetooth connectivity for added convenience. With this rechargeable collar, pet owners can ensure their dogs are properly trained and obedient.