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...