LK 1800 Programmable Keyboard (132 Keys, Compact, PS/2 Interface and Fully Programmable) - Color: Black The LK1800 is a programmable alphanumeric keyboard with a full compliment of 61 function and numeric keys and an optional magnetic stripe reader. Furthermore, the unit also has a PS/2 I/O port to enable the daisy-chaining of other input devices such as a scanner or check reader. The LK1800 programmable keyboard is thus an ideal solution for the retail, hospitality, travel, banking, and insurance industries.