The PetSafe® RFA-67 6V Replacement Battery 2-Pack are replacement batteries that work with the PetSafe® bark collar, in-ground and wireless fence receiver collar systems. These batteries are waterproof and last 1-3 months, depending on use. PetSafe® brand is here to help you and your pet live happy together™.

• Replacement battery lasts approximately 1-3 months  
• Waterproof batteries 
• Compatible collars:  Wireless Pet Containment System Receiver Collar  Stay & Play® Wireless Fence Replaceable Battery Receiver Collar  Deluxe UltraLight™ Receiver Collar  Basic Bark Control Collar  Bark Control Collar 
• Compatible fences:   Wireless Pet Containment System™  Stay & Play® Wireless Fence with Replaceable Battery Collar  Basic In-Ground Fence™ System  In-Ground Fence™