Victor 2640 2-Color Printing Calculator 2640 2-Color Printing Calculator Lines/Second Speed—4.1 Display Digits—12 Digit Size—12mm Tax Function Memory—4-Key Item Count Time/Date Feature Size—8w x 11d Shpg. Wt.—4 lbs. Manufacturer Warranty—3 Years Replacement Ribbon—NUKBR80C (sold separately) Replacement Roll Paper—UNV35720 (sold separately) Calculator is a commercial ribbon printer, printing in red and black. Features luminous fluorescent display (brighter than LCD in low light). AC only.