Access control and alarm monitoring systems; Acoustic sound alarms; Bar code printers; Carbon monoxide detectors; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Digital door locks; Dot matrix printers; Electric door chimes; Fingerprint scanners; Fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification applianc...