Access control and alarm monitoring systems; Art kit for use in assembly of art installation that creates a kaleidoscope painting of moving patterns and changing colors consisting of a custom designed incandescent/LED lamp with interchangeable colored glass filtered lenses, glass crystals with custom designed sterling silver bails, plastic mounting hooks, filaments for suspending crystals, a remote control for light color and dimming preferences, micro-fiber cleaning cloths, and instructions; Burglar alarms; Connectors for electronic circuits; Electrical cables for use in connections; Electrical controlling devices; Electronic devices for detecting and locating lost articles using radio frequency; Electronic integrated circuits; Emergency signal transmitters; Endoscopic equipment for industrial purposes; Mobile hotspot devices; Radio transmitters and receivers for remote controls, radio controls; Remote control telemetering machines and apparatus; 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 ethernet-over-VDSL access aggregators, terminators and repeaters, and remote presence management products, namely, switches, and console, alarm, sensor and power management devices; Wireless electronic visitor signal chimes