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electronic security devices; namely, control panels, annunciators, fire, heat, and motion detectors and monitors; access monitors and controls; electronic signal and voice transmitters and receivers; automatic telephone dialers; fire, intrusion and smoke alarms; central monitoring station devices; namely, automatic telephone answering machines, alarm receivers for identifying callers and decoding alarm and monitoring signals, output devices; namely, video display terminals and printers, and computer software for remote programming of alarm panels