SpectraCal (TM) - Show clients how serious you are about providing them with the best products by offering this radio controlled alarm clock. It receives true accuracy from the U.S. Atomic Clock in Boulder, Colorado and resets itself to the exact microsecond. This displays times in four time zones, the month / date / day of the week, temperature, and has a snooze feature. This uses one AAA battery (not included) and is desktop or wall mountable. Imprint this with your logo and make a grab for success! San-Antonio.