3D spectacles; Air analysis apparatus; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electric current; Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Audio-receivers and video-receivers; Audio-video receivers; Audio and video cassette recorders; Audio- and video-receivers; Chronographs for use as specialized time recording apparatuses; Computer hardware, namely, wireless network extenders; Computer peripheral devices; Electric cables and wires; Electrified fences; Electronic notice boards; Epidiascopes; Integrated circuits; Oculars; Radio receivers and transmitters; Radio transmitters and receivers; Rechargeable batteries; Satellite transmitters and receivers; Smoke detectors; Time clocks; Transmitters and receivers for audio and video signals for transmission over twisted pair cables; Transmitters of electronic signals; Video baby monitors; Video projectors; Wireless receivers and transmitters for portable media players; Wireless transmitters and receivers