Heavy-duty document stamp records date and time on incoming, interoffice and outgoing correspondence using 14 selectable messages. Use as a time clock to record hours worked. Track time for job studies, employee performance, and in-plant operations. Print in AM/PM or military time. Electronic recorder automatically resets to correct time in event of power failure. Heavy-duty recorder offers a 30-day battery backup, unlimited employee capacity and heavy-duty, steel construction.