12 digit print/display capacity, 3.6 lines per second print speed , (1) 4 key Independent Memory, Black/Red Print, Group and Grand Total, Back Space, Percent Change, Mark-up, %, %+, %-, Tax, Tax +, Tax -, Round up, Off (5/4) Truncate, Automatic Constants, Non-Add/Date, N-Count, Decimal Settings: +,0,1,2,3,4,F, Ribbon: P65M Black/Red Spool, Paper: 2 1/4? Add Roll, Dimensions Inches: 11(L) x 6.5(W) x 2.75(H), Weight: 3.8 pounds