Alarm LockFor more than three decades Alarm Lock Systems, Inc. has built a strong reputation in the design and manufacture of electronic and mechanical access and egress control keyless entry products. Originally known worldwide for its superior Sirenlock panic exit and delayed egress exit alarms in full-door and clapper styles, Alarm Lock has nearly eclipsed its original product success with that of another -- the incredibly-popular, innovative Trilogy line of standalone access keyless locks.
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