La Crosse Technology C86279 Atomic Full Calendar Clock with Extra Large Digits for The Elderly Adjustable backlight (hi/lo/off) using Included AC adapter or battery operated on-demand and adjustable display mode: full weekday; weekday & date; seconds; or indoor temperature (F) Extra-large, easy to read digits to assist those suffering from memory loss and/or labor with abbreviated words Alarm with 10 minute snooze Wall hang or table standing