It's one inch white face provides a sharp contrast with its bold, black hands for people with low vision, but the talking function makes it easy to tell what time it is, even in low light or in the dark. For those who simply want to tell the time, without extra buttons and fuss, the one button style is simple to use. The single exposed button announces the time in a clear male voice and provides voice feedback for easy setting, and the setting buttons are recessed to avoid accidental resetting.