Theft alarms; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Infrared cameras; Smoke alarms; Electronic apparatus, namely, motion detectors; Electric door bells; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, fiber-to-the-home and ether...