The PetSafe Wireless Dog Fence Collar works with the PetSafe Instant Wireless Dog Fence. If you have more than one dog, you will need an extra receiver for each one you want to contain. The PetSafe wireless dog fence receiver has a beep only mode for training and Five Levels of Programmable Correction. The PetSafe wireless dog fence receiver is designed to comfortably fit your dog with a curved inside edge and two sets of probes to ensure the best fit for your dog. The receiver is waterproof and has a low battery indicator light that will blink to let you know it is time to change your battery. The wireless fence receiver has built in over correction protection, it will automatically shut down if your dog leaves your yard. The receiver is lightweight weighing only 2.5 ounces. The PetSafe Instant Fence Wireless Dog Fence Collar Includes: Receiver with adjustable collar Operating Guide PetSafe RFA-67 Battery Test Light Tool PetSafe Instant Fence Wireless Dog Fence.

