Camcorders; Audio- and video-receivers; Blank USB flash drives; Computer memory devices; Computer network adapters, switches, routers and hubs; Computer peripheral devices; DVD players; Electric door bells; Electric locks; Electrical and electronic burglar alarms; Electronic and optical communications instruments and components, namely, optical transmitters; Electronic monitors and monitor modules for monitoring electric current and electrical signals; Interfaces for computers; Portable media players; Remote controls for radios, televisions, stereos; Sound recording apparatus; Video recorders; Video cables; Video capture cards; Video disk players; Video recorders and video reproducing apparatus; Audio and video receivers; Component video cables; Digital video recorders; Digital video cameras; Digital video disc drives; Digital audio and video recorders and players; Downloadable computer software development tools; PC digital video recorders; Personal video recorders (PVRs); Portable DVD players; Televisions and video recorders; Wireless receivers and transmitters for portable media players