Intercoms; Air analysis apparatus; Computer hardware and recorded software system for remotely monitoring environmental conditions and controlling devices within a building, facility, grounds, or designated spatial area; Digital cameras; Downloadable computer application software for electronic devices including mobile phones, tablets, computers, and doorbells, namely, software for use in recording, viewing, storing, sharing, communicating and analyzing audio and video; Downloadable computer software for use as an application programming interface (API); Electric door bells; Electric door chimes; Environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions; Fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification appliances, strobes, sirens, bells, horns, and speakers; Home automation hubs comprised of voice-activated speakers, computer hardware, and downloadable software for operating internet-enabled and connected lighting apparatus and home security cameras and alarms; Lighting control apparatus; Motion-activated cameras; Remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; Safety sensors, namely, carbon monoxide detectors, smoke detectors, and combination carbon monoxide and smoke detectors; Sound alarms; Video cameras; Electric or electronic sensors for motion, humidity, temperature, and light; Electric, electronic, or electrochemical oxygen monitors and sensors for environmental use; Wireless communication devices for transmitting images taken by a camera