The PetSafe RFA-67D 6V Batteries are designed for use with electronic fence collar receivers like the PIF-275-19 and PUL-275. These batteries are waterproof sealed and suitable for any dog breed. They are compatible with PetSafe remote trainers like the PDT00-10675, PDT24-10792, and PDT24-10793, as well as SportDOG bark collars SBC-6 & SBC-18. Made in China, these batteries provide a reliable power source for your pet's electronic collar to ensure proper functionality of the fencing system.