The RFA-67D-11 - 6 Volt Battery Module is compatible with the following products:

• Ultralight Sonic Bark Collar
• PetSafe Standard Bark Collar
• PetSafe Dog Bark Training System
• PetSafe Dog Bark Collar
• Ultralight Dog Fence Collar
• Deluxe Ultralight Dog Fence Collar
• Wireless Dog Fence Collar

 These batteries feature a patented waterproof design and a long shelf life.