Timex Datalink System: Program your watch alarms and download your phonebook from your Personal Computer!* 100-hour Chronograph with lap and split 50-lap memory recall with best lap calculation 5 Multi-Mode Countdown Timers with 100-hour capacity 10 Alarms for Appointments, Anniversaries or Reminders Phone Number/Personal Information storage INDIGLO night-light with NIGHT-MODE feature 2nd time zone with date Up to 38 phone numbers with 15-character messages Daily, Monthly or Yearly Alarm Settings with 15-character messages Chronograph Label and Lap Storage Requirements Customized Sports Timers for Soccer, Basketball, Football and more World Wide Time Zone Settings and Watch Options This Timex Model 78047 watch widely retails for $72.95! This factory-packaged item includes all software needed to run the watch! *Ironman Triathlon w/Data Link uses a standard CRT computer monitor to transmit information using light impulses to a light receiver on the face of the watch. The watch comes with its own software, and it also can be used with certain industry standard personal organizer software, such as Microsoft Outlook 98 and 2000. It is not supported by Microsoft Schedule + 7. The Datalink system requires the Timex Notebook Adapter for compatiblity with Windows NT or for use with laptop computers and other PCs with LCD screens. Update: This watch can now be used with windows xp and 2000 without datalink adapter (using windows 98 compatability mode see http://www.timex.com/html/data_link_software.html )