Display time, date and temperature alternatively.
* Digits height 4”,6” ,8” ,12” ,16”,24”.
* High readability Red or Amber LED.
* 12- or 24-hour timing selectable.
* Date displayed in Gregorian and Hijra.
* 10 year lithium battery.---our engineer said to me the lithium batter if it is for led time chip .then 10 years is ok .