Photographic apparatus and instruments, namely, cameras; cinematographic machines and apparatus; optical apparatus and instruments, namely, telescopes, microscopes; presentation apparatus for capturing and transmitting visual images, namely, document cameras; LCD (liquid crystal display) monitors; recorded computer software for saving and viewing digital images and video and for operating presentation apparatus and surveillance cameras used as accessories thereof; LCD (liquid crystal display) projectors for computers; lenses for LCD (liquid crystal display) projectors for computers; A/D and D/A converters; remote control apparatus, namely, remote controls for video projectors, televisions, video monitors, digital audio and video recorders, presentation apparatus for capturing and transmitting visual images; projection screens; LCD (liquid crystal display) touch panels for computers; electric cables; power control units, power supply units; amplifiers, microphones, loudspeakers; computers, computer peripherals; electric monitoring apparatus, namely, surveillance cameras; TV monitors; lenses for surveillance cameras; rotational stands for surveillance cameras; surveillance camera housing units; control apparatus for surveillance cameras; digital audio and video recorders; fingerprint scanning apparatus; video cameras; CCD (charge coupled device) cameras; blank magnetic data media; overhead projectors, movie projectors; video and audio signal mixing apparatus; AC adapters; fire alarms, gas leak alarms, antitheft alarms (excluding those for vehicles)