Dymo DateMark Date-Time Stamper is a versatile electronic stamper that prints tracking information on to an array of products. Its large LCD displays current date, time and active stamper functions. DateMark Date-Time Stamper has seven message options: IN, OUT, PAID, FILE, REF, CFMD, RCVD. It prints 4-digit or 6 digit sequential serial numbers. It is calendar programmed 200 years into the future with automatic leap-year adjustment. It has a small, inexpensive ink roller that is easily replaced. It weighs just 1/2 lb.