XENIX Proximity Time Recorder model XTR-P5, is a portable time recorder device, that uses proximity card technology for the recording of employee attendance records. It has a storage capacity that can store up to 5,000 attendance transactions. As it is a portable device no wiring is needed. You can bring it near to the computer every time you want to download any transactions, it can be link  directly to the computer by using a RS232 communication cable. No Signal Converter is needed. It is suitable for small office environment.