Add another dog to your current SportDOG Brand® In-Ground Fence System or replace a lost or broken collar receiver with the SDF-R Add-A-Dog® Receiver.

For use with SDF-100 In-Ground Fence System. Provides four adjustable correction levels plus beep and vibrate-only modes. Includes two sets of contact points to match the length of your dog's coat. Waterproof. Sized for dogs over 10 pounds. An unlimited number of dogs can be added to the SDF-100 system.