Upgrade your amigo’s area with the High Tech Pet Products BE-500 Wire & Flag Kit. This wire and flag kit for electronic dog fences includes three waterproof wire connectors. The wire is specially designed with electrical and mechanical properties that are optimized for dog containment systems. It is crafted with a solid copper core and features an extra-thick jacket of insulation that’s resistant to ultraviolet sunlight, moisture, rot and corrosion. This electronic dog fence wire is built to be 40% thicker than 18-gauge wire and three times as strong to reduce the risk of breakage.