BAR CODE READERS; MAGNETIC CODED CARD READERS; PRINTED CIRCUIT BOARDS; COMPUTER HARDWARE, NAMELY LAN CAMERAS, DIGITAL VIDEO CONTROLLERS, ACCESS CONTROLLERS, AUDIO PLAYERS, AND I/O CONTROLLERS; CONVERTERS; COMPUTER SOFTWARE FOR ENABLING CONNECTIONS TO THE WORLD-WIDE WEB AND PRODUCING SPREAD SHEETS IN THE FIELD OF SURVEILLANCE; COVERS FOR ELECTRIC OUTLETS; LIGHT EMITTING DIODE DISPLAYS; COMPUTER INTERFACE BOARDS; LASER SCANNERS FOR INDUSTRIAL INSPECTION; MICROPROCESSORS; MICROCOMPUTERS; OPTICAL...