The GUARD TOWER? patented sensing device detects wire movement in any direction, including in or out, side to side, or wire spread caused by climbing. It also detects cut wire or a severed communications link.The fence sensitivity can be adjusted to suit the environment.The sensing device sends a signal to the monitoring system, indicating where a breach has occurred. The GUARD TOWER? systems flexible mounting configuration allows it to be installed as a stand-alone barrier or mounted to existing fences, including wood, chain link, or wrought iron.