... this function will remind you. Make your time more valuable.3 groups date set: calendar from 2000-2099. In date ... The LED clock can be operated by power one CR2032 button cell, it can stil work without the power, but no ... 2.Cycle display(Temperature, date, time, cycle display, display): 3.3 Groups Calendar YY/MM/DD or DD/MM/YY or ... size(L*W*H):242*85*56mm/9.5*3.3*2.2inchPackage size(L*W*H): 320*90*56mm ...