La Crosse Technology 617-1270 Atomic Digital Alarm Clock, Black Indoor temperature (F/C), Moon Phase Icon 12/24 hr. atomic time (optional manual setting) Time alarm with snooze option, Calendar: day, month, date Time zone selectable (M, P, C, E), Bright blue LED backlight, Atomic signal reception icon 2 "AAA" Alkaline batteries (not included) Dimensions: 4.76" L x .835" W x 3.12" H