ALARMS, NAMELY, ANTI-INTRUSION ALARMS, FIRE SMOKE ALARMS, BURGLAR ALARMS, AND PERSONAL SECURITY ALARMS; COMPUTER AND VIDEO MONITORS FOR MONITORING ALARMS; BUILDING ACCESS CONTROL UNITS; WATER AND GAS METERS AND THEIR REMOTE METER READING UNITS; ENVIRONMENTAL MONITORING UNITS, NAMELY, UNITS FOR MONITORING AND MEASURING TEMPERATURE; HUMIDITY, VIBRATION; NOISE; AND FLUID FLOW; UNITS FOR REMOTE AND ON-SITE CONTROL OF BUILDING SERVICES, NAMELY, HEATING, LIGHTING, VENTILATION, AND AIR CONDITIONING;...