High-contrast keys with larger letter characters and bold command keys help users who have difficulty seeing standard keyboards. Ideal for elderly individuals, visually impaired users, schools, special needs departments, libraries, and offices. Designed to protect internal electronic components. Water-resistant design helps guard against accidental spills; allow keyboard to air dry completely before resuming use. Large print yellow keycaps with clear black lettering offer improved visibility, even in low light. Membrane switches rated for 5 million keystrokes provide fast response and quiet operation. Adjustable tilt legs reduce hand fatigue for extended typing comfort. Full-size QWERTY English (US) 104-key layout includes numeric keypad; large print keys maintain familiar typing experience without relearning. Compatible with Windows 10/8/7/Vista/XP/2000/98 and Mac OS X/macOS. Plug-and-play setup requires no additional software.