1,Alarm clock and snooze function, 2,4 digital LED display, 3,multi-color display 1, LED alarm clock with snooze 2, digital LED screen for time3, backlight, multi-color display(optional)4, 4 digital LED display.5, Powered by AC 110V or 230V(backup), DC9V, 1*6F22(6R61)(not included) LED alarm clock