Radio Controlled Clock by Signal DCF77 LCD Display with Short White Backlight Digital Time 12 / 24 Hours Selectable Format Calendar with 7 Weekday Languages Wake Up with Buzzer Snooze Function ( 5 minutes ) Indoor Temperature Range: 0C ~ +60C Temperature Display with C / F Selectable Power: 2 x 1,5 V type AAA ( Batteries Not Included ) Dimensions: ( w / h / d ) 78 x 78 x 30 mm Weight: 72 g