Keycard reader for reading magnetically encoded keycards; electrically operated locks; controllers for electrically operated locks and motors to open and secure doors and barriers; magnetically encoded cards; optically encoded cards and chip cards for use in identification, access control and building security, and readers for such cards; computer software used to control access to and within buildings; electronic visual display units, namely liquid crystal displays, flat panel displays; electronic apparatus and instruments all for the transmission, receiving, switching, processing and retrieval of data and of text, namely computer, computer display and keyboard for receiving and displaying data relating to building access control; local area network for managing and communicating data relating to building security and access; signal multiplexers; modems; blank computer discs and tapes all being magnetic and for recording or bearing data; time and/or data registering apparatus namely a timestamp; programmable time accumulating systems namely software for receiving and tracking time data; computer linked card readers for reading magnetic and optical cards; biometrics readers; sensors for sensing magnetic and optical cards; light sensitive access control apparatus, namely optical sensors; controlled access security apparatus namely, locks operated through the use of keycards; through the use of keypads or a combination of keycards and keypads; computer software for time control providing a connection to a timestamp; electric and electronic timers; programmable timers; time cards; time clocks; time delay units; time programmers; time recording apparatus and instruments, namely electronic; time switches; data security apparatus namely, a local area network controlling access through locks operated by keycards or keypads or both and data stored within the network and received from the keycards and keypads; security control, monitoring and warning apparatus, namely video and audio surveillance equipment for monitoring and controlling access to and within buildings; magnetic coded strip readers; bar code readers; integrated card readers; optical character readers; readers for memory cards; readers for encoded cards and disks; electronic teller for receiving and recording cash payments; magnetically encoded payment cards; software for setting up performance analysis of security systems; parts and fittings for all the aforementioned goods