Add an extra 1/2 acre to your dog's Stay & Play Wireless Fence or Wireless Pet Containment System. For larger or uniquely shaped yards, this extra unit can expand your yard coverage. Large, overlapping circular fields create even more outdoor pet paradise and give your pet more room to exercise, play, and stay safe. Trust PetSafe to help keep your pet healthy, safe and happy. The original shock collar for the SportDOG Brand FieldSentinel Series with BodyGuard technology - the world's first e-collars with health alerts. Only compatible with FieldSentinel remote trainers. Add another dog to your current electronic training and health monitoring system or replace a collar with the FS-AD Add-A-Dog Collar.
Features:
Includes: Transmitter; Power adaptor; User guide
Intended Pet(s): Dogs over 8 lb
Material(s): Plastic
Color: Gray