Add-A-Dog Collar Receiver for use with the SportDog In-Ground Fence Systems (SDF-100 and SDF-100A).
You can add as many dogs as you like to the SDF-100 and SDF-100A fence system with the purchase of extra collars. There is no limit to how many dogs you can add to this robust fence system. In addition you can cover up to 100 acres with additional wire.
SportDog Fence Collar - Features:
- Waterproof and submersible
- Fence collar receiver with 4 adjustable levels of correction plus a beep and vibrate only mode
- Low battery indicator
- Uses a 9-volt battery
- Lifetime Limited Warranty