Extra Collar for Barktec Advanced Hidden Fence Dog Training System

Extra Collar for Advanced Hidden Fence Dog Training System WIDE COVERAGE - Works on up to 100 acres of land (500 feet of 15 Gauge wire included) LONG BATTERY - Rechargeable collar receiver lasting 7-10 days on a single charge with the low-level indicator. SAFE & EFFECTIVE - Progressive Training Correction - 3 Training modes (Even works on stubborn pets) WATERPROOF - Collar is protected from the elements and allows swimming without harm to the collar. QUALITY - Solid Copper Wire, Thick, Strong, Durable (2x Thicker than the competition)