Access control and alarm monitoring systems; Alarm installations and alarms; Alarm monitoring systems; Alarm sensors; Anti-intrusion alarms; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Digital video cameras; Electronic apparatus, namely, motion detectors; Electronic video surveillance products, namely, electronic components of security systems; Infrared cameras; Infrared sensors; Motion detectors; Passive infrared detectors; Remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; Safety sensors, namely, carbon monoxide detectors, smoke detectors, and combination carbon monoxide and smoke detectors; Smoke alarms; Telecopying equipment; Video baby monitors; Video monitors; Water treatment equipment, namely, fertilizer injection units, namely, devices connected to a water distribution line, which automatically injects a predetermined proportion of fertilizer into an irrigation system used by a greenhouse complex