The Sharpe EL-2607V is a solid desktop printing calculator with a large 12 digit Digitron display capable of fast, crisp 2 colour printing in black or red. The practical and robust calculator is fully portable being dual powered by 1 x CR2032 battery and mains power, so when you need to work on the go, you can continue with your calculations. With printing speeds of 4.5 lines per second, the EL-2607V is a well equipped 2-colour printing calculator. The compatible cartridge/ribbon is SH-GR51 which can be purchased separately.