HOMELOO Big LED Time Calendar Alarm Digital Desk Wall Clock Modern B Display of time, calendar (date, month, year), humidity and thermometer. Dimension: 390 x 290 x 35 (mm), time digit: 45 x 25 mm, calendar digit: 13 x 8 mm. Wall mount available on the back. Time memory function: time saved when power out. Power: AC100v-240v 50/60Hz