For four decades Alarm Lock Systems has built a strong reputation as a respected leader 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 that enable security professionals securing buildings of all kinds to more cost-effectively add dependable wireless access control a door at a time with a field-proven access solution and with a consistent model for every door type in a facility.
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