Smart Dog Containment System, Xtra Boundary Kit BD-25 includes 500 ft. 20 gauge wire and 50 flags. Works on Electronic Innotek Smart Dog Containment System Model SD-2000, Model SD-2100 and Model SD-2200. Dogs like to roam. Innotek keeps them at home with a full line of Smart Dog systems that set the industry standard for safe, effective pet containment. Smart Dog Systems are easy to install, and these products include detailed instructional video guides to help you through the self-installation process. Innotek systems are a cost-effective alternative to traditional fencing, providing you with peace-of-mind, while giving your pet the freedom to run. Installation is invisible, so your yard remains intact. Its humane stimulation is proven safe and effective for training dogs to stay within the boundaries you set. | 
