Geek or no geek, everybody should own a binary clock, even if it's just for show. This clock gives you the best of both worlds, a binary clock and a digital clock in one, which makes it very easy to learn reading binary clocks. True binary clock mode BCD binary clock mode Optional digital clock 24 hr (military) time mode 12 hr (am/pm) time mode Configurable colors Option to disable screen lock The clock supports 2 types of binary clocks, true binary in portrait orientation and BCD in landscape.For more information about binary clocks, see: http://en.wikipedia.org/wiki/Binary_clock