The Chester Creek numeric keypad is the ONLY large-key numeric keypad that makes it a whole lot easier for anyone to crunch numbers like a pro with big, 1-in/2.5-cm keys and bold, easy-to-read lettering for increased visibility and contrast.
|Key Size - Metric||2.5-cm|
|Trackball Size - Metric||No|
|Can be used as a switch interface||No|
|Keyboard Key Color||No|
|Product Waranty||2-Year Limited Warranty|