Product Model: MP11DX12-digit calculator prints 3.7 lines per second in two colors with positive numbers in black and negative numbers in red. Features cost-sell-margin; profit margin; quick tax calculation; calendar and clock on display; grand total; decimal positions in +, 0, 2, 3, 4, 6, floating; non-add print; round-up,off,down; item count; sign change, grand total; and oversize plus, minus and total keys. Product Type: Printing CalculatorFunctions: Tax Cost Sell Margin Grand TotalPrinting: Dual ColorPrint Speed: 3.7lpsCalculator Features: CalendarClockDecimal Point Selector SwitchItem CountDisplay Screen: 12 Character - FluorescentPower Source: AC SupplyDimensions: 3.20" x 8.60" x 12.70"Weight (Approximate): 3.90 lbStandard Warranty: 1 Year Limited