Model:J2108B Specifications:900X555X50mm Storage of data in Gregorian calendar:94year Driving mode:static Voltage:220V±20% Frequency:50~60Hz Power:≤11W Time format:quartz clock Temperature:-10℃~+45℃ Number of alarming times:0 Number of alarms at o'clock sharp:1 Time of alarming at o'clock sharp:8:00~21:00 Year and month in Gregorian calendarLED :1.5inch red Date in Gregorian calendarLED :3inch red TimeLED :quartz clock Chinese traditional calendarLED :0.5inch red Week, temperatureLED :1inch red Net weight of the whole unit:6.8Kg Specifications of small pack:950X605X105 mm Specifications of large pack:970X625X340m Number of units in a whole package:3PCS Patent code:01 3 61211.5