Transparent clock repeats the background of screen your computer for clock display. Clock convenient and simple in use. Use of a ShadowClock allows to save a little precious time. Enough a fast sight to learn time. Clock are transparent but well visible on any background, settle down atop of all windows but do not close the image and elements of management being under clock. ShadowClock are very convenient at web surfing and work with text documents. Clock are placed in any place of a desktop. The size is adjusted from 80 pixel up to height of the screen. Brightness and contrast are adjusted to taste.