DC DataCal EZSee Wired USB Low Vision Keyboard - Large Print Keys Large Black Keys, Easy to see! It is a full size enhanced key keyboard with standard US English keyboard layout Easy to see, even in low light; Recommended for the visually impaired Keyboard layout Keys printed in big, bold, easy-to-read typeface Manufactured with high-quality membrane switches designed to withstand over 10 million keystrokes Measures 14 inches long x 6 inches wide x 1 inch thick