- DCF radio clock which automatically adjusts to the world's most accurate clock Time zone can be manually set when the DCF time differs from the time zone DCF radio signal can be switched off completely when not in use Automatic change from winter to summer time Fold-out stand for use as a table clock Wall-mountable Extra-large time display (hours, minutes, seconds), calendar display, temperature and humidity display (indoor), and battery status indicator Selectable 12 and 24-hour clock format Calendar (day, month, weekday) Weekday display in 7 languages: English, German, French, Italian, Spanish, Dutch, Danish) Thermometer: Measuring range indoors: 0°C - 50°C; supports °C and °F Hygrometer: Measuring range indoors: 20% - 95% Includes: 4 AA batteries