1. Calender : from 2009 to 2099, total 100years
2. Display - date and time separate setting, 60pcs LED to display; can shift from date, temperature, etc;
3. Display lighting will be reduced to half during 18:00PM to 7:00AM;
4. Temperature for use: -20℃—50℃
5. 12/24 Hours, 24hours default
6. Alarm, time set as 1minute
7. Can set snooze mode, every time 5min and max. 6 times
8. Power supply: DC 12V/1000MA(6V/1000MA) , power module insided to keep function when power shut down