Portable desktop printer features large input keys and an easy-to-read Big Display. Prints 1.6 lines per second TIME Calculation: No. Print Color: 1-Color. Clock & Calendar: No. Rounding: off. Average: No. Change Sign (+ / -): No. Cost-Sell-Margin: Yes. Percentage: Yes. Print Type: Ink Roller. Display Type: LCD. Grand Total: No. Item Count: No. Display Digits: 12. Sub Total: No. Print Speed: 1.6 lines per second. Display Size: 12 mm. Number of Keys: 34. Backspace: No. Memory: Yes. Decimal: F 0 2. Exchange / Conversion: Yes. Mark Up: No. Tax Calculation: Yes.