BP 504 Bark Collar with Bark Counter Educator Collars You will be able to 1786 You will be able to choose from the 5 Modes of 100 levels of static stimulations that can correct the improper behaviors of sensitive and stubborn dogs The PetSafe Stay and Play Wireless Fence Stubborn Dog Extra Receiver Collar PIF19 14186 is covered by the manufacturer’s warranty for 3 years High sensitivity to be sure that your dog will learn quickly and accurately because Accurate training is also a key factor of achieving great results The BP 504 is made for performance and durability for daily use and it is waterproof that helps you train your Dog in all weather conditions from outdoor activities that you don't have to worry that your dog will get any false correction or your collar will not function as the way it supposed to be