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HEAT & COMFORT INDEX: Choose between a convenient, easy to read comfort or heat index
LARGE DISPLAY: The large, highly legible display features the time, day, date, temperature, humidity and either the comfort or heat index
BACKLIGHT: Pressing the SNOOZE/LIGHT button triggers an amber backlight
ATOMIC: This clock is self setting/adjusting using radio frequencies broadcast from NIST's Colorado Atomic Clock
ALARM WITH SNOOZE: Features a progressive alarm with a conveniently placed SNOOZE button for easy access
MARATHON CL030054BK Atomic Desk Clock With Backlight Heat & Comfort Index - Batteries Included - B017KNVV48