Cameras; Webcams; Bar code readers; Barcode scanner; Cash registers; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Computer peripheral devices; Data processing equipment, namely, couplers; Document cameras; Document printers for use with computers; Downloadable computer software for scanning documents, recognizing word, recording video; Electronic pens; Electronic tags for goods; Electronic and optical communications...