electrical, electromagnetic and electronic locks, [ metal detectors, infrared motion detectors, ] remote controls for security purposes and burglar alarms; CCTV equipment, namely, cameras, lens, VCR's, multiplexers, monitors, electrical cables and testing equipment, namely, computer, modem and controller connection cables, and computer, data, voice and video testers and meters for [ in-store and ] field service, testing and installation of computers, access control controllers, modems, survei...