Viewing devices, namely, smart door viewers in the nature of electronic video surveillance security installations for entry doors featuring facial recognition technology, touchscreen displays, electric doorbell, microphone, and audio speakers; smart biometric fingerprint door locks; dashboard cameras; warning bells; blank hard computer discs; electrical wiring devices in the nature of plugs, sockets and electrical contacts; stands for cameras; sun shields, namely, sun shields specially adapted for cameras; electric batteries; network routers; wireless routers; humanoid robots with artificial intelligence; security surveillance robots; computer software platforms, recorded, for surveillance; computer software platforms, downloadable, for surveillance; wearable computers in the nature of smartwatches; wearable computers in the nature of smartglasses; selfie sticks, namely, hand-held monopods for cameras and mobile phones; electronic numeric displays; slide projectors; transparency projection apparatus; switchboards; electric switches; automatic time switches; thermostats; speaking tubes; microphones; cabinets for loudspeakers; electric control panels; transponders; electric light dimmers; electronic regulating and control devices for the operation of light emitting diodes in the nature of electric light dimmers; air analysis apparatus