For 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.
Trilogy® DL1200 - Narrow Stile Lock for Storefront Doors
Trilogy Networx™ DL6100 by Alarm Lock - Wireless Networking Lock
Trilogy® DL5300 by Alarm Lock - Two-sided Electronic Keypad Lock
Trilogy Networx™ ETDLN by Alarm Lock - Wireless Networking Exit Lock
DK3000 Digital Keypad with Access Control Functionality
PDK3000 PC Managed Access Control System, PIN, Prox Cards, or Fobs, Hardwired,