... alrm clock movement Radio Controlled Alarm Movement, step movement with LCD CalendarSpecifications:Model NO.: DM7811 (JJY), DM7821(WWVB), DM7831 (DCF), DM7841(MSF ... (JJY, WWVB),70uV/m(DCF,MSF)9. Alarm Accuracy: 5minutes10. LCD size(MM): 40*12(View Area) Month/Date/Week11. Buzzer ...