Download this big desktop clock for visually impaired people. This clock features three themes with big clocks that can be helpful for people with vision problem. It's all your timekeeping needs in one neat package, allowing you to see the time right on your computer desktop; hear chimes on the hour, half-hour and quarter; set alarms for appointments and deadlines; have your system clock set automatically using free atomic clock. Download and install this good replacement for original tiny Windows system clock.