full line of annunciator panels, detector switches and relays for actuating an alarm, audible and silent alarms and indicators, battery chargers, computerized access controls, electrified door locks, electrically operated door closers and controllers, electronic door locks, key cards and electrically controlled door locks activated by such key cards, combined electronically controlled door holder/closer, electric door control and monitoring panels, electrical automatic door operators, electromagnetic door releases, electromagnetic locks, electromechanical door holders, electromechanical door holder/releases, electromechanical door holder/closers, electromechanical door latches, consoles, card-operated locks, key pad-operated locks, solenoid-operated locks, electromechanical exit devices, electronically controlled door opener/closer, fire control systems comprising annuciator panels, detector switches and relays, key card controlled electronic security systems comprising alarm and control modules; interface electronics and computer hardware and computer software for controlling electronic security alarm systems, locks operated by internal computer, magnetic card readers, manual station door controls, radio-frequency door closers and door controls, security systems and apparatuses, namely scanners, microprocessor controlled door locks actuated by encoded cards, smoke detectors, motion detectors, switches, transmitters, electrical wires, visual and audible annuciators, power supplies and battery back-ups for power supplies