... pcs ——30days Function DecriptionMulti-function: it could be show time, date, temperature and as an alarm clock ... , 24/12/2012 ect. You can set it show the date only or cycle.Temperature /Fahrenheit set: ... it can still work without the power, but no show .When power cut, and it has keep memory function ... ,please send me the photos to show the problem. Or we can chat online and you show me the problem., ...