Extra-large, easy to read digits to assist those suffering from memory loss and/or labor with abbreviated words Adjustable backlight (Hi/lo/off) using included AC adapter or battery operated on-demand use Simple operation - set time zone and clock automatically adjusts time & calendar to Atomic signal; accurate to the second Adjustable display mode - Full weekday; weekday & date - date; seconds; indoor temperature (F/C) Wall hang or table standing