Marathon's Atomic Digital Clock with Indoor and Outdoor temperature can be wall mounted or displayed on a desktop with its built-in foldable stand, making it ideal for home, office and workstation settings. Information displayed includes: calendar, clock and temperature - all seen with one quick glance. The time and date are radio-controlled. The current time and date are automatically synchronized with the time signal transmitted from DCF station in Europe. The atomic feature calibrates time signals and self-adjusts automatically. One wireless remote sensor is included to monitor indoor/outdoor temperatures in Celsius or Fahrenheit.