PERIMETER TECHNOLOGY - Invisible Fence R21 Compatible Dog Fence Collar

Brand: Perimeter Technologies R21 Compatible CollarFeatures: EASY TO FIND - Patented three antenna, omni-directional design ensures signal reception regardless of the pet's orientation to the fence COMPATIBLE - These collars will only work with ICT-700 series (ICT-700, ICT-725, ICT-750) fences. COMFORTABLE - Offer the most comfortable solution to create contact with your dog. Conductive metal infused rubber provides significant protection against pressure necrosis, a condition which occurs when a dog either has a negative skin reaction to metal touching their skin or the collar is left on for a prolonged period of time. PROGRESSIVE - Perimeter brand dog fence systems feature a built in safety mechanism to automatically shut off after 20 seconds of correction. This safety features ensures no unnecessary correction for dogs who may be in the boundary field and panic or for those crazy kids who think it might be fun to lay down in the containment field. WATERPROOF COLLAR RECEIVER - The c