The LittleFingers Keyboard - NumberPad is a modified keyboard designed for use by children or individuals with limited finger dexterity or range of motion. This full-featured keyboard has reduced key cap size and spacing to allow persons with smaller hands to reach all of the keys without having to stretch. The keyboard also has a numeric keypad, a built-in wrist rest, and a wide space bar. A dual-mode feature enables a standard full-sized keyboard to be plugged in simultaneously. COMPATIBILITY: For use on Macintosh (model LF-2600) or IBM and compatible computers via USB port (model LF-2800). DIMENSIONS (LxWxH): 12.5 x 7.25 x 1.25 inches. COLOR: Platinum gray. WARRANTY: Three years.