*All Petsafe Extra Collars Will Work With All Petsafe Dog Fences with the exception of the Wireless Dog Fence, that model needs a special collar.
- Replacement collar for the Petsafe Standard Fence
- Add another dog to the system
- 5 adjustable levels of correction, plus tone-only mode
- Includes "run-through protection" - your pet will be reminded to return to the pet area
*** Please Note: This is an extra collar and you will need the Standard System for it to work.