1) Year, month, day, and week display from January 1, 1900 up to December 31, 2099. 2) Time display. 3) Temperature display from -9 to + 59oC (16 to 138oF). 4) Daily alarm (2-minute duration) with snooze function. 5) Countdown timer (23 hours, 59 minutes). 6) Birthday reminder alarm. 7) Includes eight popular international musical tunes. 8) ∧ and ∨ buttons to facilitate selection operation. 9) Low 3-Volt electrical consumption, and low power consumption
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