SportDOG Contain + Train ADD-A-DOG® Collar

Add another dog to your current SportDOG® Brand Contain + Train system (SDF-CT-22) or replace a Collar Receiver with the SDF-CTR-22 Add-A-Dog® Receiver. The Contain + Train system's Containment mode expands to any number of dogs and the Training mode expands to 3 dogs.