This FIRE PROTECTION KIT, from Ditek, is designed for commercial alarm professionals, providing AC power and dialer protection. Besides protecting against over-voltage and over-current events, it also protects both pairs of the alarms dialer circuit. It has a peak surge capacity of 19,500 A and a diagnostic LED that indicates power, unit status, and ground presence. It includes (1) DTK-120HW Parallel Installation Surge Protector, (2) DTK-MRJ31XSCSPWP, and (1) patch cord.