Perimeter Technologies Basic Ultra Comfort Contain System 20 Gauge Wire Dog Training Transmitters Activate cooling crystals by filling

Activate cooling crystals by filling the interior with water before first use

The unit is weather resistant for use during all seasons and includes a handy travel and storage bag

Self-contained firing pin mechanism for easy cleaning and maintenance

The built-in thermostat automatically activates the heating element only when temperatures drop

Dimensions: 25" x 37" x 0

Perimeter Technologies Basic Ultra Comfort Contain System 20 Gauge Wire Dog Training Transmitters Activate cooling crystals by fillingThe pet fence difference you can feel for yourself! Its one thing to make a product that keeps your pet safely in the yard, its another to thoughtfully design a fence with features that make it safer and more comfortable too. Perimeters exclusive Comfort Contacts cushion your pets neck with soft rubber, unlike the hard steel probes used in other pet fences. Veterinarians prefer the softness of the Comfort Contacts to help reduce the incidence of skin