LightLOC is your best choice for Perimeter Security. LightLOC offers superior security products like; underground pathway protection, manhole alarm, security grate, drainage alarm, grate alarm, culvert alarm and many other intrusion detection systems. Our product brands included; Cage Grate, Smart Grate, Smart Switch, Smart Entry, and Smart Cable. Whether you need to secure a military installation, a nuclear base or any other facility, the LightLOC Perimeter Protection System has got you covered.