Air analysis apparatus; 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; Call bells; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Computer monitors; Digital door locks; Electric door bells; Electric sensors; Electrical plugs and sockets; Electro-dynamic apparatus for the remote control of signals; Electronic controller for operating electronically alterable window tinting; Electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Electronic valves for controlling gas or fluids; Gas alarms; Infrared detectors for use in military, law enforcement, civil, scientific and industrial applications; Internet digital video recorders; IP (Internet protocol) cameras; Personal security alarms; Radar detectors; Remote controls for radios, televisions and stereos; Smoke alarms; Theft alarms; Thermometers not for medical purposes; Time switches; Transmitters of electronic signals; Transponders; Warning bells; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems, namely, remote metering systems, gas and liquid cylinders, vehicle tracking devices, energy and utility systems, security systems and lighting systems